The Plant List — A working list for all plant species

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You should refer instead to the current version of The Plant List.

Results

1869 plant name records match your search criteria Acer. The results are below.

• Genus Acer is in the family Sapindaceae. Species epithets begin with: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Acer abchasicum Rupr.	Synonym		WCSP (in review)
Acer acinatum auct.	Synonym		WCSP (in review)
Acer acuminatum Wall. ex D.Don	Accepted		WCSP (in review)
Acer acutum W.P.Fang	Synonym		WCSP (in review)
Acer acutum var. quinquefidum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer acutum var. quinquefidum W.P. Fang	Synonym		TRO
Acer acutum var. tientungense W.P. Fang & M.Y. Fang	Synonym		TRO
Acer adscharicum Gatsch.	Unresolved		TRO
Acer aetnense K.Koch	Synonym		WCSP (in review)
Acer affine Opiz	Synonym		WCSP (in review)
Acer affine Hoffmanns. ex Walp.	Synonym		WCSP (in review)
Acer aidzuense (Franch.) Nakai	Synonym		TRO
Acer albopurpurascens Hayata	Synonym		WCSP (in review)
Acer amaliae Orph. ex Boiss.	Synonym		WCSP (in review)
Acer amamiense T.Yamaz.	Accepted		WCSP (in review)
Acer ambiguum Dippel [Illegitimate]	Synonym		WCSP (in review)
Acer amoenum Carrière	Synonym		WCSP (in review)
Acer amoenum Hu & W.C.Cheng [Illegitimate]	Synonym		WCSP (in review)
Acer amplum Rehder	Accepted		WCSP (in review)
Acer amplum subsp. bodinieri (H.Lév.) Y.S.Chen	Accepted		WCSP (in review)
Acer amplum subsp. catalpifolium (Rehder) Y.S.Chen	Accepted		WCSP (in review)
Acer amplum var. convexum (W.P.Fang) W.P.Fang	Synonym		WCSP (in review)
Acer amplum var. jianshuiense W.P.Fang	Synonym		WCSP (in review)
Acer amplum subsp. tientaiense (C.K.Schneid.) Y.S.Chen	Accepted		WCSP (in review)
Acer amplum var. tietaiense (C.K.Schneid.) Rehder	Synonym		WCSP (in review)
Acer angustilobum Hu	Synonym		WCSP (in review)
Acer angustilobum var. kwangtungense (Chun) W.P. Fang	Synonym		TRO
Acer angustilobum var. longicaudatum	Synonym		WCSP (in review)
Acer angustilobum f. longicaudatum W.P. Fang	Synonym		TRO
Acer angustilobum var. sichourense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer anhweiense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer anhweiense var. brachypterum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer argutum Maxim. ex Miq.	Accepted		WCSP (in review)
Acer assyriacum Pojark.	Unresolved		WCSP (in review)
Acer atropurpureum Dippel	Synonym		WCSP (in review)
Acer auritum Greene	Synonym		WCSP (in review)
Acer australe (Momot.) Ohwi & Momotani	Synonym		WCSP (in review)
Acer austriacum Tratt.	Synonym		WCSP (in review)
Acer austriacum var. trifidum Borbás	Synonym		WCSP (in review)
Acer × avilae Font Quer & Rothm. [Unplaced]	Unresolved		WCSP (in review)
Acer barbatum Michx.	Synonym		WCSP (in review)
Acer barbatum Hook.	Synonym		WCSP (in review)
Acer barbatum f. commune Ashe	Synonym		WCSP (in review)
Acer barbatum var. floridanum (Chapm.) Sarg.	Synonym		WCSP (in review)
Acer barbatum f. floridanum (Chapm.) Fernald	Synonym		WCSP (in review)
Acer barbatum var. glaucum Bush	Synonym		WCSP (in review)
Acer barbatum var. glaucum (Pax) J.Rousseau	Synonym		WCSP (in review)
Acer barbatum var. grandidentatum (Torr. & A.Gray) Sarg.	Synonym		WCSP (in review)
Acer barbatum var. longii Fernald	Synonym		WCSP (in review)
Acer barbatum var. nigrum (F.Michx.) Sarg.	Synonym		WCSP (in review)
Acer barbatum f. platylobum Fernald	Synonym		WCSP (in review)
Acer barbatum var. rugelii (Pax) Bush	Unresolved		WCSP (in review)
Acer barbatum var. sinuosum (Rehder) Ashe	Synonym		WCSP (in review)
Acer barbatum var. villipes Ashe	Synonym		WCSP (in review)
Acer barbinerve Maxim. ex Miq.	Accepted		WCSP (in review)
Acer barbinerve Maxim.	Unresolved		TRO
Acer barbinerve var. chanbaischanense S.L.Tung	Synonym		WCSP (in review)
Acer barbinerve var. glabrescens Nakai	Synonym		WCSP (in review)
Acer barbinerve f. glabrescens (Nakai) W.Lee	Synonym		WCSP (in review)
Acer bedoi Borbás	Synonym		WCSP (in review)
Acer bernardinum Abrams [Unplaced]	Unresolved		WCSP (in review)
Acer betulifolium Maxim.	Synonym		WCSP (in review)
Acer bicolor F.Chun	Synonym		WCSP (in review)
Acer bicolor var. serratifolium (W.P.Fang) W.P.Fang	Synonym		WCSP (in review)
Acer bicolor var. serrulatum (F.P. Metcalf) W.P. Fang	Synonym		TRO
Acer bodinieri H.Lév.	Synonym		WCSP (in review)
Acer bodinieri var. convexum W.P.Fang	Synonym		WCSP (in review)
Acer bodinieri var. nayongense (W.P.Fang) Rushforth	Synonym		WCSP (in review)
Acer bohemicum C.Presl ex Opiz. [Invalid]	Synonym		WCSP (in review)
Acer × bornmuelleri Borbás	Accepted		WCSP (in review)
Acer × boscii Spach	Unresolved		WCSP (in review)
Acer bosniacum K.Malý [Unplaced]	Unresolved		WCSP (in review)
Acer brachypterum Wooton & Standl.	Synonym		WCSP (in review)
Acer brachystephyanum T.Z.Hsu	Accepted		WCSP (in review)
Acer brevilobum Hesse ex Rehder	Synonym		WCSP (in review)
Acer brevipes Gagnep.	Unresolved		TRO
Acer briergeranum Miq.	Unresolved		TRO
Acer buergerianum Miq.	Accepted		WCSP (in review)
Acer buergerianum var. buergerianum	Accepted		TRO
Acer buergerianum subsp. formosanum (Hayata ex Koidz.) E.Murray & Lauener	Synonym		WCSP (in review)
Acer buergerianum var. formosanum (Hayata ex Koidz.) Sasaki	Synonym		WCSP (in review)
Acer buergerianum var. formosanum (Hayata ex Koidz.) Rehder	Synonym		TRO
Acer buergerianum var. horizontale Metcalf	Synonym		WCSP (in review)
Acer buergerianum var. jiujiangense Z.X.Yu	Synonym		WCSP (in review)
Acer buergerianum var. kaiscianense (Pamp.) W.P.Fang	Synonym		WCSP (in review)
Acer buergerianum var. ningpoense (Hance) Rehder	Synonym		WCSP (in review)
Acer buergerianum subsp. ningpoense (Hance) A.E.Murray	Accepted		WCSP (in review)
Acer buergerianum var. trinerve (Siesm.) Rehder	Synonym		TRO
Acer buergerianum var. yentangense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer buergerianum subsp. yui (W.P.Fang) A.E.Murray	Synonym		WCSP (in review)
Acer buzimpala Buch.-Ham. ex D.Don	Synonym		WCSP (in review)
Acer cadevallii Marcet [Unplaced]	Unresolved		WCSP (in review)
Acer caesium Wall. ex Brandis	Accepted		WCSP (in review)
Acer caesium subsp. giraldii (Pax) E.Murray	Accepted		WCSP (in review)
Acer caesium subsp. giraldii (Pax) A.E. Murray	Synonym		TRO
Acer calcaratum Gagnep.	Accepted		WCSP (in review)
Acer californicum (Torr. & A.Gray) D.Dietr.	Synonym		WCSP (in review)
Acer californicum f. albidum Schwer.	Synonym		WCSP (in review)
Acer californicum f. rubescens Schwer.	Synonym		WCSP (in review)
Acer californicum var. texanum Pax	Synonym		WCSP (in review)
Acer caloneurum C.Y.Wu & T.Z.Hsu	Accepted		WCSP (in review)
Acer campbellii Hook.f. & Thomson ex Hiern	Accepted		WCSP (in review)
Acer campbellii subsp. chekiangense (W.P.Fang) A.E.Murray	Accepted		WCSP (in review)
Acer campbellii subsp. flabellatum (Rehder) A.E.Murray	Accepted		WCSP (in review)
Acer campbellii subsp. heptaphlebium (Gagnep.) A.E.Murray	Synonym		WCSP (in review)
Acer campbellii var. longilobum (W.P. Fang) D.M. van Gelderen, P.C. de Jong & H.J. Oterdoom	Synonym		TRO
Acer campbellii subsp. robustum (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer campbellii subsp. schneiderianum (Pax & K.Hoffm.) A.E.Murray	Synonym		WCSP (in review)
Acer campbellii var. serratifolium Banerji	Synonym		WCSP (in review)
Acer campbellii subsp. sinense (Pax) P.C.DeJong	Accepted		WCSP (in review)
Acer campbellii subsp. wilsonii (Rehder) P.C.DeJong	Accepted		WCSP (in review)
Acer campbellii var. yunnanense (Rehder) W.P.Fang	Synonym		WCSP (in review)
Acer campbellii var. yunnanense Rehder	Synonym		TRO
Acer campestre L.	Accepted		WCSP (in review)
Acer campestre f. aegaeicum Drenk.	Synonym		WCSP (in review)
Acer campestre f. argenteovariegatum Schwer.	Synonym		WCSP (in review)
Acer campestre var. austriacum (Tratt.) DC.	Synonym		WCSP (in review)
Acer campestre f. bedoi (Borbás) Schwer.	Synonym		WCSP (in review)
Acer campestre f. bedoioides Drenk.	Synonym		WCSP (in review)
Acer campestre f. boomii Geerinck	Synonym		WCSP (in review)
Acer campestre f. brachypterum Borbás & Pax	Synonym		WCSP (in review)
Acer campestre var. collinum DC.	Synonym		WCSP (in review)
Acer campestre f. collinum (DC.) Schwer.	Synonym		WCSP (in review)
Acer campestre f. compactum Schwer.	Synonym		WCSP (in review)
Acer campestre f. deflexum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre var. eriocarpum	Synonym		WCSP (in review)
Acer campestre var. fastigiatum Springer	Synonym		WCSP (in review)
Acer campestre f. ferrugineum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre var. foliis-variegatis Loudon	Synonym		WCSP (in review)
Acer campestre var. glabratum Wimm. & Grab.	Synonym		WCSP (in review)
Acer campestre f. glabratum (Wimm. & Grab.) Schwer.	Synonym		WCSP (in review)
Acer campestre var. hebecarpum DC.	Synonym		WCSP (in review)
Acer campestre subsp. hebecarpum (DC.) Schwer.	Synonym		WCSP (in review)
Acer campestre var. hederifolium Heinr.Braun	Synonym		WCSP (in review)
Acer campestre f. hederifolium (Heinr.Braun) Schwer.	Synonym		WCSP (in review)
Acer campestre var. hirtivalvum Borbás	Synonym		WCSP (in review)
Acer campestre f. hirtivalvum (Borbás) Schwer.	Synonym		WCSP (in review)
Acer campestre var. integrilobum Tausch	Synonym		WCSP (in review)
Acer campestre var. josifovicii Gajic & Diklic	Synonym		WCSP (in review)
Acer campestre f. josifovicii (Gajic & Diklic) Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre f. jovanovicii Gajic & Drenk.	Synonym		WCSP (in review)
Acer campestre var. laevigatum Loudon	Synonym		WCSP (in review)
Acer campestre var. lasiophyllum Wimm. & Grab.	Synonym		WCSP (in review)
Acer campestre f. latilobum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre subsp. leiocarpum (Opiz) Schwer.	Accepted		WCSP (in review)
Acer campestre var. leiocarpum (Opiz) Tausch	Synonym		WCSP (in review)
Acer campestre f. leiophyllum Pax	Synonym		WCSP (in review)
Acer campestre var. lobatum Pax	Synonym		WCSP (in review)
Acer campestre f. longipetiolatum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre var. macrocarpum Tausch	Synonym		WCSP (in review)
Acer campestre subsp. marsicum (Guss.) Hayek	Accepted		WCSP (in review)
Acer campestre var. marsicum (Guss.) K.Koch	Synonym		WCSP (in review)
Acer campestre f. microcarpon (Masson ex Opiz) Schwer.	Synonym		WCSP (in review)
Acer campestre var. microcarpum Tausch	Synonym		WCSP (in review)
Acer campestre f. microphyllum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre f. molle (Opiz) Schwer.	Synonym		WCSP (in review)
Acer campestre var. mollissimum Tausch	Synonym		WCSP (in review)
Acer campestre var. nanum Loudon	Synonym		WCSP (in review)
Acer campestre f. oblongifolium Racib.	Synonym		WCSP (in review)
Acer campestre var. oxytomum Borbás	Synonym		WCSP (in review)
Acer campestre var. palmatifidum Tausch	Synonym		WCSP (in review)
Acer campestre var. palmatisectum Celak.	Synonym		WCSP (in review)
Acer campestre f. pendulum Schwer.	Synonym		WCSP (in review)
Acer campestre f. platypterum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer campestre var. pseudomarsicum Pax ex Schwer.	Synonym		WCSP (in review)
Acer campestre f. pseudomonspessulanum Bornm. & Pax	Synonym		WCSP (in review)
Acer campestre f. puncticulatum Schwer.	Synonym		WCSP (in review)
Acer campestre f. quinquelobum Schwer.	Synonym		WCSP (in review)
Acer campestre var. saniculifolium Borbás	Synonym		WCSP (in review)
Acer campestre f. saniculifolium (Borbás) Schwer.	Synonym		WCSP (in review)
Acer campestre var. serotinum Kit.	Synonym		WCSP (in review)
Acer campestre f. subtrilobum R.Uechtr. & Sint.	Synonym		WCSP (in review)
Acer campestre f. tauricum Schwer.	Synonym		WCSP (in review)
Acer campestre f. trichopodum Borbás	Synonym		WCSP (in review)
Acer campestre var. variegatum Pax	Synonym		WCSP (in review)
Acer canadense Duhamel	Synonym		WCSP (in review)
Acer canescens Bornm. ex Stapf	Synonym		WCSP (in review)
Acer capillipes Maxim. ex Miq.	Accepted		WCSP (in review)
Acer capillipes subsp. insulare (Makino) A.E.Murray	Synonym		WCSP (in review)
Acer capillipes var. morifolium (Koidz.) Hatus.	Synonym		WCSP (in review)
Acer capillipes var. morifolium (Koidz.) Hatus	Synonym		TRO
Acer cappadocicum Gled.	Accepted		WCSP (in review)
Acer cappadocicum subsp. amplum (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum f. barbinerve (Schwer.) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. brevialatum W.P.Fang	Synonym		WCSP (in review)
Acer cappadocicum subsp. cappadocicum	Accepted		TRO
Acer cappadocicum subsp. catalpifolium (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. cultratum (Wall.) W.P. Fang	Synonym		TRO
Acer cappadocicum var. dissectum (Wesm.) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum subsp. divergens (Pax) A.E.Murray	Accepted		WCSP (in review)
Acer cappadocicum var. glabrescens A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum f. glaucum (Koidz.) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. indicum (Pax) Rehder	Synonym		WCSP (in review)
Acer cappadocicum subsp. lobelii (Ten.) A.E.Murray	Accepted		WCSP (in review)
Acer cappadocicum subsp. mayrii (Schwer.) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum subsp. mono (Maxim.) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. rotundilobum A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum f. rubrocarpum A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum subsp. savatieri (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. serrulatum F.P. Metcalf	Synonym		TRO
Acer cappadocicum var. sinicum Rehder	Synonym		WCSP (in review)
Acer cappadocicum subsp. sinicum (Rehder) Hand.-Mazz.	Accepted		WCSP (in review)
Acer cappadocicum var. stenocarpum Yalt.	Synonym		WCSP (in review)
Acer cappadocicum var. tomentulosum (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. tricaudatum (H.J.Veitch) Rehder	Synonym		WCSP (in review)
Acer cappadocicum f. tricaudatum (Rehder ex Veitch) Rehder	Synonym		TRO
Acer cappadocicum subsp. trilobum A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum var. tripartitum A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum subsp. truncatum (Bunge) A.E.Murray	Synonym		WCSP (in review)
Acer cappadocicum subsp. turkestanicum (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer carolinianum Walter	Synonym		WCSP (in review)
Acer carpinifolium Siebold & Zucc.	Accepted		WCSP (in review)
Acer cassiifolium Blume	Synonym		WCSP (in review)
Acer catalpifolium Rehder	Synonym		WCSP (in review)
Acer catalpifolium subsp. xinganense W.P.Fang	Synonym		WCSP (in review)
Acer caudatifolium Hayata	Accepted		WCSP (in review)
Acer caudatum Wall.	Accepted		WCSP (in review)
Acer caudatum G. Nicholson	Synonym		TRO
Acer caudatum var. erosum (Pax) Rehder	Synonym		TRO
Acer caudatum var. georgei Diels	Synonym		WCSP (in review)
Acer caudatum subsp. georgei (Diels) A.E.Murray	Synonym		WCSP (in review)
Acer caudatum subsp. multiserratum (Maxim.) A.E.Murray	Accepted		WCSP (in review)
Acer caudatum var. multiserratum (Maxim.) Rehder	Synonym		TRO
Acer caudatum var. prattii Rehder	Synonym		WCSP (in review)
Acer caudatum subsp. prattii (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer caudatum subsp. ukurundense (Trautv. & C.A.Mey.) E.Murray	Accepted		WCSP (in review)
Acer caudatum var. ukurunduense (Trautv. & C.A. Mey.) Rehder	Synonym		TRO
Acer cavaleriei H.Lév.	Synonym		WCSP (in review)
Acer ceriferum Rehder	Accepted		WCSP (in review)
Acer changhuaense (W.P.Fang & M.Y.Fang) W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer chapaense Gagnep.	Accepted		WCSP (in review)
Acer chiangdaoense Santisuk	Accepted		WCSP (in review)
Acer chienii Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer chingii Hu	Synonym		WCSP (in review)
Acer chionophyllum Merr.	Synonym		WCSP (in review)
Acer chloranthum Merr.	Synonym		WCSP (in review)
Acer chunii W.P.Fang	Synonym		WCSP (in review)
Acer chunii subsp. dimorphophyllum W.P.Fang	Synonym		WCSP (in review)
Acer cinerascens Boiss.	Synonym		WCSP (in review)
Acer cinerascens var. subglabrum Boiss.	Synonym		WCSP (in review)
Acer cinerascentiforme Pojark.	Accepted		WCSP (in review)
Acer cinnamomifolium Hayata	Synonym		WCSP (in review)
Acer cinnamomifolium var. microphyllum W.P.Fang & S.Y.Liang	Synonym		WCSP (in review)
Acer circinatum Pursh	Accepted		WCSP (in review)
Acer circinatum var. fulvum J.K.Henry	Synonym		WCSP (in review)
Acer circinatum f. fulvum (J.K.Henry) A.E.Murray	Synonym		WCSP (in review)
Acer circumlobatum Maxim.	Synonym		WCSP (in review)
Acer circumlobatum var. heyhachii (Matsum.) Makino	Synonym		WCSP (in review)
Acer circumlobatum var. insulare Pax [Invalid]	Synonym		WCSP (in review)
Acer circumlobatum f. insulare (Pax) Schwer.	Synonym		WCSP (in review)
Acer circumlobatum var. pseudosieboldianum Pax	Synonym		WCSP (in review)
Acer circumlobatum f. pseudosieboldianum (Pax) Schwer.	Synonym		WCSP (in review)
Acer cissifolium (Siebold & Zucc.) K.Koch	Accepted		WCSP (in review)
Acer cissifolium subsp. henryi (Pax) A.E. Murray	Synonym		TRO
Acer coccineum F.Michx.	Synonym		WCSP (in review)
Acer coccineum Wender.	Synonym		WCSP (in review)
Acer colchicum Hartwiss	Synonym		WCSP (in review)
Acer collinsona Thunb. [Unplaced]	Unresolved		WCSP (in review)
Acer collinum Ten.	Synonym		WCSP (in review)
Acer collinum Dalla Torre & Sarnth. [Illegitimate]	Synonym		WCSP (in review)
Acer commutatum C.Presl	Synonym		WCSP (in review)
Acer confertifolium Merr. & F.P.Metcalf	Accepted		WCSP (in review)
Acer confertifolium var. serrulatum (Dunn) W.P.Fang	Synonym		WCSP (in review)
Acer × conspicuum van Gelderen & Oterdoom	Unresolved		WCSP (in review)
Acer coptophyllum Greene [Unplaced]	Unresolved		WCSP (in review)
Acer cordatum Pax	Accepted		WCSP (in review)
Acer cordatum var. cordatum	Accepted		TRO
Acer cordatum var. dimorphifolium (F.P.Metcalf) Y.S.Chen	Accepted		WCSP (in review)
Acer cordatum var. jinggangshanense Z.X.Yu	Synonym		WCSP (in review)
Acer cordatum var. microcordatum Metcalf	Synonym		WCSP (in review)
Acer cordatum var. microcordatum F.P. Metcalf	Synonym		TRO
Acer cordatum var. subtrinervium (F.P. Metcalf) W.P. Fang	Synonym		TRO
Acer cordifolium Moench	Synonym		WCSP (in review)
Acer coriaceifolium H.Lév.	Accepted		WCSP (in review)
Acer coriaceifolium var. microcarpum W.P.Fang & S.S.Chang	Synonym		WCSP (in review)
Acer coriaceifolium subsp. obscurilobum A.E.Murray	Synonym		WCSP (in review)
Acer × coriaceum Bosc ex Tausch.	Accepted		WCSP (in review)
Acer craibianum Delendick [Illegitimate]	Synonym		WCSP (in review)
Acer crassipes Pax [Illegitimate]	Synonym		WCSP (in review)
Acer crassum Hu & W.C.Cheng	Accepted		WCSP (in review)
Acer crataegifolium Siebold & Zucc.	Accepted		WCSP (in review)
Acer crataegifolium var. macrophyllum H.Hara	Synonym		WCSP (in review)
Acer crataegifolium f. veitchii Schwer.	Synonym		WCSP (in review)
Acer creticum L. [Unplaced]	Unresolved		WCSP (in review)
Acer × creticum Schmidt ex Tratt. [Illegitimate]	Synonym		WCSP (in review)
Acer creticum f. coriaceum (Bosc ex Tausch.) Schwer.	Synonym		WCSP (in review)
Acer creticum var. cuneifolium Spach	Synonym		WCSP (in review)
Acer × creticum var. macrophyllum Pax	Synonym		WCSP (in review)
Acer × creticum f. macrophyllum (Pax) Schwer.	Synonym		WCSP (in review)
Acer × creticum var. major Spach	Synonym		WCSP (in review)
Acer × creticum f. major (Spach) Schwer.	Synonym		WCSP (in review)
Acer × creticum var. microphyllum Pax	Synonym		WCSP (in review)
Acer × creticum f. microphyllum (Pax) Schwer.	Synonym		WCSP (in review)
Acer × creticum var. minor Spach	Synonym		WCSP (in review)
Acer × creticum f. minor (Spach) Schwer.	Synonym		WCSP (in review)
Acer creticum f. parvifolium (Tausch) Schwer.	Synonym		WCSP (in review)
Acer creticum var. rotundifolium Spach	Synonym		WCSP (in review)
Acer creticum var. sublobatum Spach	Synonym		WCSP (in review)
Acer crispum Moench [Unplaced]	Unresolved		WCSP (in review)
Acer cucullatum Dippel [Unplaced]	Unresolved		WCSP (in review)
Acer cucullobracteatum H.Lév. & Vaniot	Synonym		WCSP (in review)
Acer cultratum Wall.	Synonym		WCSP (in review)
Acer curranii Merr.	Synonym		WCSP (in review)
Acer dactylophyllum Greene	Synonym		WCSP (in review)
Acer dasycarpum Ehrh.	Synonym		WCSP (in review)
Acer dasycarpum f. albovariegatum Späth	Synonym		WCSP (in review)
Acer dasycarpum f. arbusculum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. aureomarginatum Dippel	Synonym		WCSP (in review)
Acer dasycarpum var. aureovariegatum G.Nicholson	Synonym		WCSP (in review)
Acer dasycarpum f. citreovariegatum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum var. coloratum Wesm.	Synonym		WCSP (in review)
Acer dasycarpum f. curvatum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. heterophyllum D.Thomson	Synonym		WCSP (in review)
Acer dasycarpum var. laciniatum (Pax) Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. lacteum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. longifolium Späth	Synonym		WCSP (in review)
Acer dasycarpum f. lutescens Späth	Synonym		WCSP (in review)
Acer dasycarpum f. macrophyllum Dippel	Synonym		WCSP (in review)
Acer dasycarpum f. monstrosum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. nanum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. palmatum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum var. pendulum Van Houtte	Synonym		WCSP (in review)
Acer dasycarpum f. pendulum (Van Houtte) Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. pseudoternatum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. pulverulentum Späth	Synonym		WCSP (in review)
Acer dasycarpum f. pyramidale Späth	Synonym		WCSP (in review)
Acer dasycarpum f. sanguineum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. serpentinum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum var. subtrilobatum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. tripartitum Schwer.	Synonym		WCSP (in review)
Acer dasycarpum f. weiri Schwer.	Synonym		WCSP (in review)
Acer davidii Franch.	Accepted		WCSP (in review)
Acer davidii var. acuminatifolium W.P. Fang	Synonym		TRO
Acer davidii subsp. davidii	Accepted		TRO
Acer davidii var. glabrescens Pax	Synonym		WCSP (in review)
Acer davidii f. glabrescens (Pax) Schwer.	Synonym		WCSP (in review)
Acer davidii var. grandifolium S.Y.Liang & Y.Q.Huang	Synonym		WCSP (in review)
Acer davidii subsp. grosseri (Pax) ined.	Accepted		WCSP (in review)
Acer davidii subsp. grosseri (Pax) P.C. DeJong	Synonym		TRO
Acer davidii var. horizontale Pax	Synonym		WCSP (in review)
Acer davidii f. tomentellum Schwer.	Synonym		WCSP (in review)
Acer decandrum Merr.	Synonym		WCSP (in review)
Acer decompositum Dippel	Synonym		WCSP (in review)
Acer dedyle Maxim.	Synonym		WCSP (in review)
Acer denticulatum Dippel	Synonym		WCSP (in review)
Acer diabolicum Blume ex K.Koch	Accepted		WCSP (in review)
Acer diabolicum subsp. barbinerve (Maxim. ex Miq.) Wesm.	Synonym		TRO
Acer diabolicum f. purpurascens (Franch. & Sav.) Rehder	Synonym		WCSP (in review)
Acer diabolicum var. purpurascens (Franch. & Sav.) Rehder	Synonym		TRO
Acer dieckii (Pax) Pax	Synonym		WCSP (in review)
Acer dieckii f. integrilobum Schwer.	Synonym		WCSP (in review)
Acer dieckii f. monstrosum Schwer.	Synonym		WCSP (in review)
Acer dielsii H.Lév.	Synonym		WCSP (in review)
Acer diffusum Greenm.	Synonym		WCSP (in review)
Acer digitatum Dippel [Unplaced]	Unresolved		WCSP (in review)
Acer dimorphifolium Metcalf	Synonym		WCSP (in review)
Acer dippelii Schwer.	Synonym		WCSP (in review)
Acer discolor Maxim.	Accepted		WCSP (in review)
Acer dissectum Thunb.	Synonym		WCSP (in review)
Acer distylum Siebold & Zucc.	Accepted		WCSP (in review)
Acer dittrichii Ortm.	Synonym		WCSP (in review)
Acer divergens K.Koch ex Paxton	Synonym		WCSP (in review)
Acer divergens var. trilobum Yalt.	Synonym		WCSP (in review)
Acer douglasii Hook.	Synonym		WCSP (in review)
Acer drummondii Hook. & Arn. [Invalid]	Synonym		WCSP (in review)
Acer drummondii Nutt.	Synonym		WCSP (in review)
Acer duplicatoserratum Hayata	Accepted		WCSP (in review)
Acer duplicatoserratum var. duplicatoserratum	Accepted		TRO
Acer × durettii Pax [Unplaced]	Unresolved		WCSP (in review)
Acer × durettii f. aureomarmoratum Schwer.	Synonym		WCSP (in review)
Acer elegantulum W.P.Fang & P.L.Chiu	Accepted		WCSP (in review)
Acer elegantulum var. macrurum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer ellipticum A. Nelson	Unresolved		TRO
Acer emeiense T.Z.Hsu	Accepted		WCSP (in review)
Acer erianthum Schwer.	Accepted		WCSP (in review)
Acer eriocarpon Opiz	Synonym		WCSP (in review)
Acer eriocarpum Michx.	Synonym		WCSP (in review)
Acer erosum Pax	Synonym		WCSP (in review)
Acer erythranthum Gagnep.	Accepted		WCSP (in review)
Acer erythrocarpum Dippel	Synonym		WCSP (in review)
Acer erythrocarpum Opiz ex Rouy & Fouc.	Synonym		WCSP (in review)
Acer eucalyptoides W.P.Fang & Y.T.Wu	Accepted		WCSP (in review)
Acer euchlorum Dippel	Synonym		WCSP (in review)
Acer eupalmatum Koidz.	Unresolved		TRO
Acer euseptemlobum Koidz.	Unresolved		TRO
Acer fabri Hance	Accepted		WCSP (in review)
Acer fabri var. dolichophyllum W.P.Fang & S.Y.Liang	Synonym		WCSP (in review)
Acer fabri var. gracillimum W.P.Fang	Synonym		WCSP (in review)
Acer fabri var. megalocarpum Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer fabri var. rubrocarpum F.P. Metcalf	Synonym		TRO
Acer fabri f. rubrocarpum (F.P. Metcalf) Rehder	Synonym		TRO
Acer fabri var. tongguense Z.X.Yu	Synonym		WCSP (in review)
Acer fabri var. virescens W.P.Fang	Synonym		WCSP (in review)
Acer fallax Pax	Synonym		WCSP (in review)
Acer fargesii (H.J.Veitch) Rehder	Synonym		WCSP (in review)
Acer fauriei H.Lév. & Vaniot	Synonym		WCSP (in review)
Acer fedtschenkoanum Krysht.	Synonym		WCSP (in review)
Acer fengii A.E.Murray	Accepted		WCSP (in review)
Acer fenzelianum Hand.-Mazz.	Accepted		WCSP (in review)
Acer fieberi Opiz [Invalid]	Synonym		WCSP (in review)
Acer firmianioides W.C.Cheng	Synonym		WCSP (in review)
Acer flabellatum Rehder	Synonym		WCSP (in review)
Acer flabellatum Greene [Illegitimate]	Synonym		WCSP (in review)
Acer flabellatum var. yunnanense W.P.Fang	Synonym		WCSP (in review)
Acer floridanum (Chapm.) Pax	Synonym		WCSP (in review)
Acer floridanum var. acuminatum Trel.	Synonym		WCSP (in review)
Acer floridanum var. longii Fernald	Synonym		WCSP (in review)
Acer floridanum f. platylobum Fernald	Synonym		WCSP (in review)
Acer floridanum var. villipes Rehder	Synonym		WCSP (in review)
Acer floridanum f. villipes (Rehder) Fernald	Synonym		WCSP (in review)
Acer formosum Carrière	Synonym		WCSP (in review)
Acer forrestii Diels	Synonym		WCSP (in review)
Acer forrestii f. caudatilobum Rehder	Synonym		WCSP (in review)
Acer foveolatum C.Y.Wu	Accepted		WCSP (in review)
Acer franchetii Pax	Synonym		WCSP (in review)
Acer franchetii var. acuminatilobum W.P.Fang & S.Chow	Synonym		WCSP (in review)
Acer franchetii var. acuminatilobum W.P. Fang & H.F. Chow	Synonym		TRO
Acer franchetii var. majus Hu	Synonym		TRO
Acer franchetii var. megalocarpum W.P. Fang & W.K. Hu	Synonym		TRO
Acer franchetii var. schoenermarkiae (Pax) W.P. Fang & H.F. Chow	Synonym		TRO
Acer fraxinifolium Nutt.	Synonym		WCSP (in review)
Acer fraxinifolium Raf.	Synonym		WCSP (in review)
Acer × freemanii A.E.Murray	Accepted		WCSP (in review)
Acer friederici-guillelmii Carr	Synonym		WCSP (in review)
Acer fulgens Dippel	Synonym		WCSP (in review)
Acer fulvescens Rehder	Synonym		WCSP (in review)
Acer fulvescens subsp. danbaense W.P.Fang	Synonym		WCSP (in review)
Acer fulvescens var. fupingense W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer fulvescens subsp. fupingense (W.P.Fang & W.K.Hu) W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer fulvescens subsp. fuscescens W.P.Fang	Synonym		WCSP (in review)
Acer fulvescens var. pentalobum W.P.Fang & Soong	Synonym		WCSP (in review)
Acer fulvescens subsp. pentalobum (W.P.Fang & Soong) W.P.Fang & Soong	Synonym		WCSP (in review)
Acer garrettii Craib	Accepted		WCSP (in review)
Acer ginnala Maxim.	Synonym		WCSP (in review)
Acer ginnala var. aidzuense Franch.	Synonym		WCSP (in review)
Acer ginnala f. aidzuense (Franch.) Schwer.	Synonym		WCSP (in review)
Acer ginnala subsp. euginnala Pax	Synonym		TRO
Acer ginnala var. euginnala (Pax) Pax	Unresolved		TRO
Acer ginnala subsp. semenovii (Regel & Herder) Pax	Synonym		WCSP (in review)
Acer ginnala var. semenovii (Regel & Herder) Pax	Synonym		WCSP (in review)
Acer ginnala subsp. theiferum (W.P.Fang) W.P.Fang	Synonym		WCSP (in review)
Acer giraldii Pax	Synonym		WCSP (in review)
Acer glabratum Dalla Torre & Sarnth. [Unplaced]	Unresolved		WCSP (in review)
Acer glabrum Torr.	Accepted		WCSP (in review)
Acer glabrum f. bicolor Pax	Synonym		WCSP (in review)
Acer glabrum var. diffusum (Greene) Smiley	Accepted		WCSP (in review)
Acer glabrum subsp. diffusum (Greene) A.E.Murray	Synonym		WCSP (in review)
Acer glabrum subsp. douglasii (Hook.) Wesm.	Synonym		WCSP (in review)
Acer glabrum var. douglasii (Hook.) Dippel	Accepted		WCSP (in review)
Acer glabrum var. greenei A.C.Keller	Synonym		WCSP (in review)
Acer glabrum f. monophyllum Schwer.	Synonym		WCSP (in review)
Acer glabrum var. neomexicanum (Greene) Kearney & Peebles	Accepted		WCSP (in review)
Acer glabrum subsp. neomexicanum (Greene) E.Murray	Synonym		WCSP (in review)
Acer glabrum var. parvifolium A.E.Murray	Synonym		WCSP (in review)
Acer glabrum subsp. siskiyouense A.E.Murray	Synonym		WCSP (in review)
Acer glabrum var. siskiyouense A.E.Murray	Accepted		WCSP (in review)
Acer glabrum var. torreyi (Greene) Smiley	Synonym		WCSP (in review)
Acer glabrum subsp. torreyi (Greene) A.E.Murray	Synonym		WCSP (in review)
Acer glabrum var. tripartitum (Nutt.) Pax	Synonym		WCSP (in review)
Acer glabrum f. tripartitum (Nutt.) Schwer.	Synonym		WCSP (in review)
Acer glabrum f. trisectum Sarg.	Synonym		WCSP (in review)
Acer glaucum Marshall	Synonym		WCSP (in review)
Acer glaucum K.Koch	Synonym		WCSP (in review)
Acer gracile W.P.Fang & M.Y.Fang [Illegitimate]	Synonym		WCSP (in review)
Acer gracilifolium W.P.Fang. & C.C.Fu	Accepted		WCSP (in review)
Acer granatense Boiss.	Synonym		WCSP (in review)
Acer grandidentatum Nutt.	Synonym		WCSP (in review)
Acer grandidentatum var. brachypterum (Wooton & Standl.) E.J.Palmer	Synonym		WCSP (in review)
Acer grandidentatum var. sinuosum (Rehder) Little	Synonym		WCSP (in review)
Acer griseum (Franch.) Pax	Accepted		WCSP (in review)
Acer grosseri Pax	Synonym		WCSP (in review)
Acer grosseri var. forrestii (Diels) Hand.-Mazz.	Synonym		TRO
Acer grosseri var. hersii (Rehder) Rehder	Synonym		WCSP (in review)
Acer guanense W.P.Fang	Accepted		WCSP (in review)
Acer × guinieri Chabert [Unplaced]	Unresolved		WCSP (in review)
Acer guizhouense Y.K.Li	Accepted		WCSP (in review)
Acer × guyotii Beauverd [Invalid]	Unresolved		WCSP (in review)
Acer hainanense F.Chun & W.P.Fang	Accepted		WCSP (in review)
Acer haplolobum Borbás	Synonym		WCSP (in review)
Acer hayatae H.Lév. & Vaniot	Synonym		WCSP (in review)
Acer hayatae var. glabra H. Lév. & Vaniot	Synonym		TRO
Acer hayatae var. glabrum H.Lév. & Vaniot	Synonym		WCSP (in review)
Acer heckianum Asch. ex Wesm.	Synonym		WCSP (in review)
Acer heldreichii Orph. ex Boiss.	Accepted		WCSP (in review)
Acer heldreichii f. cruciatum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer heldreichii var. macropterum (Vis.) Pax	Synonym		WCSP (in review)
Acer heldreichii f. macropterum (Vis.) Schwer.	Synonym		WCSP (in review)
Acer heldreichii f. obtentum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer heldreichii subsp. trautvetteri (Medw.) A.E.Murray	Accepted		WCSP (in review)
Acer heldreichii subsp. visianii (Nyman) K.Malý	Synonym		WCSP (in review)
Acer hemionitis Greene	Synonym		WCSP (in review)
Acer henryi Pax	Accepted		WCSP (in review)
Acer henryi f. intermedium W.P. Fang	Synonym		TRO
Acer henryi var. serratum Pamp.	Synonym		TRO
Acer heptalobum Diels	Synonym		WCSP (in review)
Acer heptaphlebium Gagnep.	Synonym		WCSP (in review)
Acer hermoneum (Bornm.) Schwer.	Synonym		WCSP (in review)
Acer hersii Rehder	Synonym		WCSP (in review)
Acer heterolobum Opiz	Synonym		WCSP (in review)
Acer heterophyllum Willd.	Synonym		WCSP (in review)
Acer heterophyllum var. laciniatum Carrière	Synonym		TRO
Acer heterotomum Borbás	Synonym		WCSP (in review)
Acer heyhachii Matsum. ex Makino	Synonym		WCSP (in review)
Acer heyhachii Matsum.	Synonym		TRO
Acer hilaense Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer × hillieri Lancaster	Unresolved		WCSP (in review)
Acer hispanicum Pourr.	Synonym		WCSP (in review)
Acer hispanicum f. montsiccianum Font Quer	Synonym		WCSP (in review)
Acer hispidum Schwer.	Synonym		TRO
Acer hookeri Miq.	Synonym		WCSP (in review)
Acer hookeri var. majus Pax	Synonym		WCSP (in review)
Acer hookeri f. majus (Pax) Schwer.	Synonym		WCSP (in review)
Acer hookeri var. normale Schwer.	Synonym		TRO
Acer hookeri var. orbiculare W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer horizontale Franch. ex W.P.Fang	Synonym		WCSP (in review)
Acer horonaiense Nakai [Unplaced]	Unresolved		WCSP (in review)
Acer huangpingense T.Z.Hsu	Accepted		WCSP (in review)
Acer huianum W.P.Fang & C.C.Hsieh	Synonym		WCSP (in review)
Acer humile Salisb.	Synonym		WCSP (in review)
Acer hungaricum Borbás	Synonym		WCSP (in review)
Acer hybridum Bosc	Synonym		WCSP (in review)
Acer hypoleucum K.Koch	Synonym		WCSP (in review)
Acer hypoleucum Hayata	Synonym		WCSP (in review)
Acer hypotrichum Franch. ex W.P.Fang	Synonym		WCSP (in review)
Acer hyrcanum Fisch. & C.A.Mey.	Accepted		WCSP (in review)
Acer hyrcanum var. cordisectum (Borbás) Bornm.	Synonym		WCSP (in review)
Acer hyrcanum var. intermedium (Pancic Pancic Pancic Pancic Pancic) Pancic	Synonym		WCSP (in review)
Acer hyrcanum subsp. intermedium (Pancic Pancic Pancic Pancic Pancic) Palam.	Accepted		WCSP (in review)
Acer hyrcanum subsp. keckianum (Asch. & Sint. ex Pax) Yalt.	Accepted		WCSP (in review)
Acer hyrcanum var. paradoxum Bornm. & Sint.	Synonym		WCSP (in review)
Acer hyrcanum subsp. reginae-amaliae (Orph. ex Boiss.) E.Murray	Accepted		WCSP (in review)
Acer hyrcanum var. reygassei (Boiss. & Blanche) Boiss.	Synonym		WCSP (in review)
Acer hyrcanum subsp. sphaerocaryum Yalt.	Accepted		WCSP (in review)
Acer hyrcanum subsp. stevenii (Pojark.) E.Murray	Accepted		WCSP (in review)
Acer hyrcanum subsp. tauricolum (Boiss. & Balansa) Yalt.	Accepted		WCSP (in review)
Acer hyrcanum f. tomentellum (Pax) Simonk.	Synonym		WCSP (in review)
Acer hyrcanum f. vitosensis Palam.	Synonym		WCSP (in review)
Acer ibericum M.Bieb.	Synonym		WCSP (in review)
Acer illyricum J.Jacq.	Synonym		WCSP (in review)
Acer incisum Dippel	Synonym		WCSP (in review)
Acer insigne Boiss. & Buhse	Synonym		WCSP (in review)
Acer insigne var. glabrescens Boiss. & Buhse	Synonym		WCSP (in review)
Acer insigne f. glabrescens (Boiss. & Buhse) Schwer.	Synonym		WCSP (in review)
Acer insigne var. longiloba Bornm.	Synonym		WCSP (in review)
Acer insigne var. obtusiloba Freyn & Sint.	Synonym		WCSP (in review)
Acer insigne f. perckense Schwer.	Synonym		WCSP (in review)
Acer insigne var. trautvetteri (Medw.) Pax	Synonym		WCSP (in review)
Acer insigne var. van-volxemii (Mast.) Pax	Synonym		WCSP (in review)
Acer insigne var. velutinum (Boiss.) Boiss. & Buhse	Synonym		WCSP (in review)
Acer insigne f. velutinum (Boiss.) Bornm.	Synonym		WCSP (in review)
Acer insulare Makino	Synonym		WCSP (in review)
Acer interior Britton	Synonym		TRO
Acer interius Britton	Synonym		WCSP (in review)
Acer intermedium Pancic	Synonym		WCSP (in review)
Acer intermedium f. cernjavskii Jovan.-Dunj.	Synonym		WCSP (in review)
Acer intermedium var. cordisectum Borbás	Synonym		WCSP (in review)
Acer intermedium f. fukarekii Jovan.-Dunj.	Synonym		WCSP (in review)
Acer intermedium f. latialatum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer intermedium var. minutum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer intermedium f. optentum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer ishidoyanum Nakai	Synonym		WCSP (in review)
Acer isolobum Kurz [Illegitimate]	Synonym		WCSP (in review)
Acer italum Lauth	Synonym		WCSP (in review)
Acer italum var. acutilobum Schwer.	Synonym		WCSP (in review)
Acer italum var. aetnense Tineo ex Strobl	Synonym		WCSP (in review)
Acer italum f. cordisectum (Borbás) Schwer.	Synonym		WCSP (in review)
Acer italum var. crassifolium Pax	Synonym		WCSP (in review)
Acer italum var. granatense (Boiss.) Willk.	Synonym		WCSP (in review)
Acer italum f. granatense (Boiss.) Schwer.	Synonym		WCSP (in review)
Acer italum subsp. hispanicum (Pourr.) Pax	Synonym		WCSP (in review)
Acer italum var. hispanicum (Pourr.) Schwer.	Synonym		WCSP (in review)
Acer italum var. hyrcanum (Fisch. & C.A.Mey.) Pax	Synonym		WCSP (in review)
Acer italum subsp. hyrcanum (Fisch. & C.A.Mey.) Pax	Synonym		WCSP (in review)
Acer italum f. intermedium (Pancic) Schwer.	Synonym		WCSP (in review)
Acer italum var. intermedium Pax	Synonym		WCSP (in review)
Acer italum var. keckianum Asch. & Sint. ex Pax	Synonym		WCSP (in review)
Acer italum f. keckianum (Asch. & Sint. ex Pax) Schwer.	Synonym		WCSP (in review)
Acer italum var. neapolitanum (Tineo) Dieck	Synonym		WCSP (in review)
Acer italum var. nevadense Boiss. ex Pax	Synonym		WCSP (in review)
Acer italum f. nevadense (Boiss. ex Pax) Schwer.	Synonym		WCSP (in review)
Acer italum var. opulifolium (Vill.) Pax	Synonym		WCSP (in review)
Acer italum f. opulifolium (Vill.) Schwer.	Synonym		WCSP (in review)
Acer italum var. reygassei (Boiss. & Blanche) Pax	Synonym		WCSP (in review)
Acer italum f. reygassei (Boiss. & Blanche) Schwer.	Synonym		WCSP (in review)
Acer italum var. serbicum Pax	Synonym		WCSP (in review)
Acer italum f. serbicum (Pax) Schwer.	Synonym		WCSP (in review)
Acer italum var. tauricolum (Boiss. & Balansa) Pax	Synonym		WCSP (in review)
Acer italum f. tauricolum (Boiss. & Balansa) Schwer.	Synonym		WCSP (in review)
Acer italum var. tomentellum Pax	Synonym		WCSP (in review)
Acer italum f. tomentellum (Pax) Schwer.	Synonym		WCSP (in review)
Acer italum subsp. variabile Pax	Synonym		WCSP (in review)
Acer italum var. variabile (Pax) Schwer.	Synonym		WCSP (in review)
Acer itoanum (Hayata) H.L.Li	Synonym		WCSP (in review)
Acer japonicum Thunb.	Accepted		WCSP (in review)
Acer japonicum f. aconitifolium (Meehan) Rehder	Synonym		WCSP (in review)
Acer japonicum var. aconitifolium Meehan	Synonym		WCSP (in review)
Acer japonicum var. aureum Siesmayer	Synonym		WCSP (in review)
Acer japonicum f. aureum (Siesmayer) Schwer.	Synonym		WCSP (in review)
Acer japonicum var. circumlobatum (Maxim.) Koidz.	Synonym		WCSP (in review)
Acer japonicum var. insulare (Pax) Ohwi	Synonym		WCSP (in review)
Acer japonicum var. kobakoense (Nakai) H.Hara	Synonym		WCSP (in review)
Acer japonicum f. macrophyllum Schwer.	Synonym		WCSP (in review)
Acer japonicum var. microphyllum Siesmayer	Synonym		WCSP (in review)
Acer japonicum var. microphyllum Koidz. [Illegitimate]	Synonym		WCSP (in review)
Acer japonicum var. nudicarpum Nakai	Synonym		TRO
Acer japonicum f. parsonsii Schwer.	Synonym		WCSP (in review)
Acer japonicum var. sieboldianum (Miq.) Franch. & Sav.	Synonym		WCSP (in review)
Acer japonicum var. stenolobum H.Hara	Synonym		WCSP (in review)
Acer japonicum var. villosum Koidz.	Synonym		WCSP (in review)
Acer javanicum Burm.f. [Unplaced]	Unresolved		WCSP (in review)
Acer javanicum Jungh.	Synonym		WCSP (in review)
Acer jingdongense T.Z.Hsu	Accepted		WCSP (in review)
Acer johnedwardianum Metcalf	Synonym		WCSP (in review)
Acer jucundum Carrière	Synonym		WCSP (in review)
Acer kansuense W.P.Fang & C.V.Chang	Synonym		WCSP (in review)
Acer kawakamii Koidz.	Synonym		TRO
Acer kawakamii var. taitonmontanum (Hayata) Li	Synonym		TRO
Acer keckianum (Asch. & Sint. ex Pax) Asch. & Sint. ex Pojark.	Synonym		WCSP (in review)
Acer kiangsiense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer kingii Britton	Synonym		WCSP (in review)
Acer kobakoense Nakai	Synonym		WCSP (in review)
Acer komarovii Pojark.	Synonym		WCSP (in review)
Acer kuikiangense Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer kungshanense W.P.Fang & C.Y.Chang	Synonym		WCSP (in review)
Acer kungshanense var. acuminatilobum (W.P.Fang & Chow) W.P.Fang	Synonym		WCSP (in review)
Acer kuomeii W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer kwangnanense Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer kwangsiense W.P.Fang & M.Y.Fang [Illegitimate]	Synonym		WCSP (in review)
Acer kweilinense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer laciniatum Borkh. ex Tratt.	Synonym		WCSP (in review)
Acer lactescens Pers.	Synonym		WCSP (in review)
Acer laetum C.A.Mey.	Synonym		WCSP (in review)
Acer laetum var. colchicum (Hartwiss) Schwer.	Synonym		WCSP (in review)
Acer laetum var. cordifolium R.Uechtr. & Sint.	Synonym		WCSP (in review)
Acer laetum f. cultratum (Wall.) Schwer.	Synonym		WCSP (in review)
Acer laetum var. cultratum (Wall.) Pax	Synonym		TRO
Acer laetum var. indicum (Pax) Schwer.	Synonym		WCSP (in review)
Acer laetum var. parviflorum Regel	Synonym		WCSP (in review)
Acer laetum var. regelii Pax	Synonym		WCSP (in review)
Acer laetum f. rubrum Schwer.	Synonym		WCSP (in review)
Acer laetum var. tricaudatum H.J.Veitch	Synonym		WCSP (in review)
Acer laetum var. tricaudatum Rehder ex Veitch	Synonym		TRO
Acer laetum f. tricolor Schwer.	Synonym		WCSP (in review)
Acer laetum var. truncatum (Bunge) Regel	Synonym		WCSP (in review)
Acer laetum f. viride Schwer.	Synonym		WCSP (in review)
Acer laevigatum Wall.	Accepted		WCSP (in review)
Acer laevigatum var. angustum Pax	Synonym		WCSP (in review)
Acer laevigatum f. angustum (Pax) Schwer.	Synonym		WCSP (in review)
Acer laevigatum subsp. cordatum (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer laevigatum var. dimorphifolium (Metcalf) W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer laevigatum var. fargesi (Franch. ex Rehder) Veitch	Synonym		TRO
Acer laevigatum var. fargesii H.J.Veitch	Synonym		WCSP (in review)
Acer laevigatum var. laevigatum	Accepted		TRO
Acer laevigatum var. microcordatum (Metcalf) A.E.Murray	Synonym		WCSP (in review)
Acer laevigatum subsp. reticulatum (Champ.) A.E.Murray	Synonym		WCSP (in review)
Acer laevigatum var. reticulatum (Champ.) Rehder	Synonym		TRO
Acer laevigatum var. salweenense (W.W.Sm.) Cowan ex W.P.Fang	Synonym		WCSP (in review)
Acer laikuanii Ling	Synonym		WCSP (in review)
Acer laisuense W.P.Fang & W.K.Hu	Accepted		WCSP (in review)
Acer lanceolatum Molliard	Synonym		WCSP (in review)
Acer × langii Simonk.	Synonym		WCSP (in review)
Acer lanpingense W.P.Fang & M.Y.Fang	Accepted		WCSP (in review)
Acer lasiocarpum H.Lév. & Vaniot	Unresolved		WCSP (in review)
Acer latilobum (Koidz.) Koidz.	Synonym		WCSP (in review)
Acer laurifolium D.Don	Synonym		WCSP (in review)
Acer laurinum Hassk.	Accepted		WCSP (in review)
Acer laurinum subsp. decandrum (Merr.) A.E.Murray	Synonym		WCSP (in review)
Acer laurinum subsp. garrettii (Craib) A.E.Murray	Synonym		WCSP (in review)
Acer laurinum var. petelotii Phamhoang, Ho	Synonym		TRO
Acer lauyuense W.P.Fang ex C.C.Fu	Accepted		WCSP (in review)
Acer laxiflorum Pax	Synonym		WCSP (in review)
Acer laxiflorum var. dolichophyllum W.P.Fang	Synonym		WCSP (in review)
Acer laxiflorum var. integrifolium W.P.Fang	Synonym		WCSP (in review)
Acer laxiflorum var. longilobum Rehder	Synonym		WCSP (in review)
Acer laxiflorum var. longiphyllum W.P.Fang	Synonym		WCSP (in review)
Acer laxiflorum var. ningpoense Pax	Synonym		WCSP (in review)
Acer legonsanicum Y.K.Li	Accepted		WCSP (in review)
Acer leiocarpum Opiz	Synonym		WCSP (in review)
Acer leiopodum (Hand.-Mazz.) W.P.Fang & S.Chow	Synonym		WCSP (in review)
Acer leipoense W.P.Fang & Soong	Accepted		WCSP (in review)
Acer leptodactylon Greene	Synonym		WCSP (in review)
Acer leptophyllum W.P.Fang	Accepted		WCSP (in review)
Acer leptopterum Guss. Ex Nyman	Synonym		WCSP (in review)
Acer leucoderme Small	Synonym		WCSP (in review)
Acer libani Pojark.	Synonym		WCSP (in review)
Acer liburnicum (Pax) Dippel	Synonym		WCSP (in review)
Acer lichuanense C.D.Chu & G.G.Tang	Accepted		WCSP (in review)
Acer linganense W.P.Fang & P.L.Chiu	Accepted		WCSP (in review)
Acer lingii W.P.Fang	Synonym		WCSP (in review)
Acer lipskyi Rehder ex Lipsky	Synonym		WCSP (in review)
Acer liquidambarifolium Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer litseifolium Hayata	Synonym		WCSP (in review)
Acer lobatum Raf.	Synonym		WCSP (in review)
Acer × lobatum Bosc ex K.Koch. [Illegitimate]	Synonym		WCSP (in review)
Acer lobatum Dalla Torre & Sarnth. [Unplaced]	Unresolved		WCSP (in review)
Acer lobelii Ten.	Synonym		WCSP (in review)
Acer lobelii var. colchicum (Hartwiss) Pax	Synonym		WCSP (in review)
Acer lobelii var. dieckii Pax	Synonym		WCSP (in review)
Acer lobelii var. dissectum Wesm.	Synonym		WCSP (in review)
Acer lobelii f. horticolum Pax	Synonym		WCSP (in review)
Acer lobelii var. indicum Pax	Synonym		WCSP (in review)
Acer lobelii subsp. laetum (C.A.Mey.) Pax	Synonym		WCSP (in review)
Acer lobelii subsp. pictum (Thunb.) Wesm.	Unresolved		TRO
Acer lobelii var. platanoides Miyabe	Synonym		WCSP (in review)
Acer lobelii f. striatum Schwer.	Synonym		WCSP (in review)
Acer lobelii subsp. truncatum (Bunge) Wesm.	Synonym		TRO
Acer lobergii Dippel	Synonym		WCSP (in review)
Acer lobulatum Nakai	Synonym		WCSP (in review)
Acer lobulatum var. rubripes Nakai	Synonym		TRO
Acer longicarpum Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer longipedicellatum C.Y.Wu	Accepted		WCSP (in review)
Acer longipes Franch. ex Rehder	Accepted		WCSP (in review)
Acer longipes subsp. amplum (Rehder) P.C.DeJong	Synonym		WCSP (in review)
Acer longipes subsp. catalpifolium (Rehder) D.M. van Gelderen, P.C, de Jong & H.J, Oterdoom	Synonym		TRO
Acer longipes var. chengbuense W.P.Fang	Synonym		WCSP (in review)
Acer longipes subsp. firmianioides (W.C.Cheng ex W.P.Fang) P.C.DeJong	Accepted		WCSP (in review)
Acer longipes var. hunanense W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer longipes var. nanchuanense W.P.Fang	Synonym		WCSP (in review)
Acer longipes var. pubigerum (W.P.Fang) W.P.Fang	Synonym		WCSP (in review)
Acer longipes var. tietaiense C.K.Schneid.	Synonym		WCSP (in review)
Acer longipes var. weixiense W.P.Fang	Synonym		WCSP (in review)
Acer loscosii Rouy	Synonym		WCSP (in review)
Acer lucidum Metcalf	Accepted		WCSP (in review)
Acer lungshengense W.P.Fang & L.C.Hu	Synonym		WCSP (in review)
Acer luteolum Borbás	Synonym		WCSP (in review)
Acer machilifolium Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer macounii Greene	Synonym		WCSP (in review)
Acer macrocarpon Opiz	Synonym		WCSP (in review)
Acer macrophyllum Pursh	Accepted		WCSP (in review)
Acer macrophyllum f. angustialatum Schwer.	Synonym		WCSP (in review)
Acer macrophyllum var. brevialatum Kuntze	Synonym		WCSP (in review)
Acer macrophyllum var. imbricatum Kuntze	Synonym		WCSP (in review)
Acer macrophyllum f. imbricatum (Kuntze) Schwer.	Synonym		WCSP (in review)
Acer macrophyllum var. kimballiae Sudw. ex E.Harrar	Synonym		WCSP (in review)
Acer macrophyllum subsp. kimballiae (Sudw. ex E.Harrar) A.E.Murray	Synonym		WCSP (in review)
Acer macrophyllum f. kimballiae (Sudw. ex E.Harrar) A.E.Murray	Synonym		WCSP (in review)
Acer macrophyllum f. rubrifolium A.E.Murray	Synonym		WCSP (in review)
Acer macrophyllum f. rubrum A.E.Murray	Synonym		WCSP (in review)
Acer macrophyllum f. tricolor Schwer.	Synonym		WCSP (in review)
Acer macropterum Vis.	Synonym		WCSP (in review)
Acer macropterum T.Z. Hsu & H. Sun	Synonym		TRO
Acer mairei H.Lév.	Accepted		WCSP (in review)
Acer majus Gray	Synonym		WCSP (in review)
Acer mandshuricum Maxim.	Accepted		WCSP (in review)
Acer mandshuricum subsp. kansuense (W.P.Fang & C.Y.Chang) W.P.Fang	Synonym		WCSP (in review)
Acer mapienense W.P.Fang	Accepted		WCSP (in review)
Acer marmoratum var. connivens (Nicholson) H. Hara	Synonym		TRO
Acer marsicum Guss.	Synonym		WCSP (in review)
Acer marsicum f. deflexum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer marsicum f. paeonicum Drenk.	Synonym		WCSP (in review)
Acer marsicum f. trifidum (Borbás) Jovan.-Dunj.	Synonym		WCSP (in review)
Acer marsicum f. vichodcevskyi Dendrovski	Synonym		WCSP (in review)
Acer × martinii Jord.	Accepted		WCSP (in review)
Acer marucum Walp.	Synonym		WCSP (in review)
Acer matsumurae (Koidz.) Koidz.	Synonym		WCSP (in review)
Acer matsumurae var. formosanum (Koidz.) Sasaki	Synonym		TRO
Acer maximowiczianum Miq.	Accepted		WCSP (in review)
Acer maximowiczianum subsp. megalocarpum (Rehder) A.E. Murray	Synonym		TRO
Acer maximowiczii Pax	Synonym		WCSP (in review)
Acer maximowiczii var. minus W.W. Sm. ex H. Lév.	Synonym		TRO
Acer maximowiczii subsp. porphyrophyllum W.P.Fang	Synonym		WCSP (in review)
Acer mayrii Schwer.	Synonym		WCSP (in review)
Acer medogense T.Z.Hsu & Z.K.Zhou	Accepted		WCSP (in review)
Acer megalodum W.P.Fang & H.Y.Su	Synonym		WCSP (in review)
Acer melliodorum Opiz	Synonym		WCSP (in review)
Acer metcalfii Rehder	Synonym		WCSP (in review)
Acer mexicanum A.Gray	Synonym		WCSP (in review)
Acer mexicanum (DC.) Pax [Illegitimate]	Synonym		WCSP (in review)
Acer miaoshanicum W.P.Fang	Accepted		WCSP (in review)
Acer miaotaiense P.C.Tsoong	Synonym		WCSP (in review)
Acer miaotaiense var. glabrum M.C.Wang	Synonym		WCSP (in review)
Acer miaotense P.C.Tsoong	Synonym		WCSP (in review)
Acer micranthum Siebold & Zucc.	Accepted		WCSP (in review)
Acer microcarpon Masson ex Opiz	Synonym		WCSP (in review)
Acer microphyllum Opiz	Synonym		WCSP (in review)
Acer microphyllum Pax [Illegitimate]	Synonym		WCSP (in review)
Acer microphyllum (Boiss.) Dinsm. [Illegitimate]	Synonym		WCSP (in review)
Acer microsieboldianum Nakai	Synonym		WCSP (in review)
Acer minusculum Green.	Unresolved		TRO
Acer mirabile Hand.-Mazz.	Accepted		WCSP (in review)
Acer miyabei Maxim.	Accepted		WCSP (in review)
Acer miyabei subsp. miaotaiense (P.C.Tsoong) E.Murray	Accepted		WCSP (in review)
Acer miyabei subsp. miaotaiense (Tsoong) A.E. Murray	Synonym		TRO
Acer miyabei f. shibatae (Nakai) K.Ogata	Synonym		WCSP (in review)
Acer miyabei var. shibatae (W.P. Fang & H.Y. Su) HARA	Synonym		TRO
Acer modocense Greene	Synonym		WCSP (in review)
Acer molle Opiz	Synonym		WCSP (in review)
Acer molle Pax [Illegitimate]	Synonym		WCSP (in review)
Acer mono Maxim.	Accepted		WCSP (in review)
Acer mono f. ambiguum (Dippel) Rehder	Synonym		WCSP (in review)
Acer mono subsp. ambiguum (Dippel) Kitam.	Synonym		WCSP (in review)
Acer mono subsp. glabrum (H.Lév. & Vaniot) T.Z.Hsu	Synonym		WCSP (in review)
Acer mono var. glabrum (H. Lév. & Vaniot) H. Hara	Synonym		TRO
Acer mono subsp. glaucum (Koidz.) Kitam.	Synonym		WCSP (in review)
Acer mono subsp. glaucum (Koidz.) T.Z. Hsu	Synonym		TRO
Acer mono var. glaucum (Koidz.) Honda	Synonym		TRO
Acer mono var. incurvatum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer mono subsp. incurvatum (W.P.Fang & P.L.Chiu) T.Z.Hsu	Synonym		WCSP (in review)
Acer mono var. macropterum W.P.Fang	Synonym		WCSP (in review)
Acer mono var. magnificum H.Hara	Synonym		WCSP (in review)
Acer mono subsp. marmoratum (G.Nicholson) Kitam.	Synonym		WCSP (in review)
Acer mono subsp. marmoratum (Nicholson) T.Z. Hsu	Synonym		TRO
Acer mono var. marmoratum (Nicholson) H. Hara	Synonym		TRO
Acer mono var. mayrii (Schwer.) Sugim.	Synonym		WCSP (in review)
Acer mono subsp. mayrii (Schwer.) Kitam.	Synonym		WCSP (in review)
Acer mono var. mayrii (Schwer.) Nakai	Synonym		TRO
Acer mono var. minshanicum W.P.Fang	Synonym		WCSP (in review)
Acer mono subsp. okamotoanum (Nakai) P.C.DeJong	Synonym		WCSP (in review)
Acer mono f. piliferum K.Ogata	Synonym		WCSP (in review)
Acer mono f. piliferum S. Ogata	Synonym		TRO
Acer mono f. puberulum K.Ogata	Synonym		WCSP (in review)
Acer mono var. pubigerum (W.P. Fang) W.P. Fang	Synonym		TRO
Acer mono f. pulvigerum K.Ogata	Synonym		WCSP (in review)
Acer mono subsp. savatieri (Pax) Kitam.	Synonym		WCSP (in review)
Acer mono f. savatieri (Pax) Schwer.	Synonym		WCSP (in review)
Acer mono f. septemlobum W.P. Fang & Soong	Synonym		TRO
Acer mono var. taishakuense Ogata	Synonym		WCSP (in review)
Acer mono subsp. taishakuense (Ogata) Kitam.	Synonym		WCSP (in review)
Acer mono var. taishakuense S. Ogata	Synonym		TRO
Acer mono var. trichobasis Nakai	Synonym		WCSP (in review)
Acer mono subsp. trichobasis (Nakai) T.Z.Hsu	Synonym		WCSP (in review)
Acer mono var. tricuspis (Rehder) Rehder	Synonym		WCSP (in review)
Acer mono subsp. tricuspis (Rehder) T.Z.Hsu	Synonym		WCSP (in review)
Acer mono f. tricuspis (Rehder) W.P. Fang	Synonym		TRO
Acer monocarpon Nakai	Synonym		WCSP (in review)
Acer monspessulanum L.	Accepted		WCSP (in review)
Acer monspessulanum var. athoum Bornm. & Sint.	Synonym		WCSP (in review)
Acer monspessulanum var. cassinense A.Terracc. ex Bolle	Synonym		WCSP (in review)
Acer monspessulanum subsp. cinerascens (Boiss.) Yalt.	Accepted		WCSP (in review)
Acer monspessulanum subsp. cinerascens Yaltirik	Synonym		TRO
Acer monspessulanum var. commutatum (C.Presl) Steud.	Synonym		WCSP (in review)
Acer monspessulanum f. commutatum (C.Presl) Borbás	Synonym		WCSP (in review)
Acer monspessulanum var. corallinum Pax	Synonym		WCSP (in review)
Acer monspessulanum var. crenatum Regel ex Kom.	Synonym		WCSP (in review)
Acer monspessulanum var. cruciatum Pax	Synonym		WCSP (in review)
Acer monspessulanum var. divergens Cout.	Synonym		WCSP (in review)
Acer monspessulanum f. divergens Bornm.	Synonym		WCSP (in review)
Acer monspessulanum f. gallicum Schwer.	Synonym		WCSP (in review)
Acer monspessulanum subsp. glabrescens Schwer.	Synonym		WCSP (in review)
Acer monspessulanum f. hispanicum Schwer.	Synonym		WCSP (in review)
Acer monspessulanum subsp. ibericum (M.Bieb. ex Willd.) Yalt.	Accepted		WCSP (in review)
Acer monspessulanum var. ibericum (M.Bieb.) K.Koch	Synonym		WCSP (in review)
Acer monspessulanum f. ibericum (M.Bieb.) Schwer.	Synonym		WCSP (in review)
Acer monspessulanum subsp. ibericum Yaltirik	Synonym		TRO
Acer monspessulanum var. illyricum (J.Jacq.) Steud.	Synonym		WCSP (in review)
Acer monspessulanum f. illyricum (J.Jacq.) Schwer.	Synonym		WCSP (in review)
Acer monspessulanum var. integrilobum Schwer.	Synonym		WCSP (in review)
Acer monspessulanum f. liburnicum Schwer.	Synonym		WCSP (in review)
Acer monspessulanum subsp. loscosii (Rouy) P.Fourn.	Synonym		WCSP (in review)
Acer monspessulanum var. lycicum Bornm.	Synonym		WCSP (in review)
Acer monspessulanum f. maroccanum Schwer.	Synonym		WCSP (in review)
Acer monspessulanum subsp. martinii (Jord.) P.Fourn.	Synonym		WCSP (in review)
Acer monspessulanum var. microphyllum Boiss.	Synonym		WCSP (in review)
Acer monspessulanum subsp. microphyllum (Boiss.) Bornm.	Accepted		WCSP (in review)
Acer monspessulanum f. micropterum Bornm.	Synonym		WCSP (in review)
Acer monspessulanum subsp. persicum (Pojark.) Rech.f.	Accepted		WCSP (in review)
Acer monspessulanum subsp. pubescens (Franch.) Wesm.	Synonym		WCSP (in review)
Acer monspessulanum var. quinquelobum Willk. & Lange	Synonym		WCSP (in review)
Acer monspessulanum f. rumelicum Griseb.	Synonym		WCSP (in review)
Acer monspessulanum subsp. turcomanicum (Pojark.) Rech.f.	Accepted		WCSP (in review)
Acer monspessulanum subsp. turcomanicum E. Murr.	Synonym		TRO
Acer monspessulanum var. turkestanicum Franch.	Synonym		WCSP (in review)
Acer monspessulanum f. turkestanicum (Franch.) Schwer.	Synonym		WCSP (in review)
Acer monspessulanum var. villosum Willk. & Lange	Synonym		WCSP (in review)
Acer montanum Garsault [Invalid]	Synonym		WCSP (in review)
Acer montanum Carradori ex Lam.	Synonym		WCSP (in review)
Acer montanum W.T.Aiton	Synonym		WCSP (in review)
Acer morifolium Koidz.	Accepted		WCSP (in review)
Acer morrisonense Hayata	Synonym		WCSP (in review)
Acer muliense W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer muliense var. pentaneurum W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer multiserratum Maxim.	Synonym		WCSP (in review)
Acer murrayanum Dippel	Synonym		WCSP (in review)
Acer nakaii Uyeki [Unplaced]	Unresolved		WCSP (in review)
Acer nambuanum Koidz. [Unplaced]	Unresolved		WCSP (in review)
Acer nayongense W.P.Fang	Accepted		WCSP (in review)
Acer nayongense var. hunanense (W.P.Fang & W.K.Hu) W.P.Fang & W.K.Hu	Synonym		WCSP (in review)
Acer neapolitanum Ten.	Synonym		WCSP (in review)
Acer × neglectum Hoffmanns. ex Walp.	Synonym		WCSP (in review)
Acer × neglectum Lange [Illegitimate]	Synonym		WCSP (in review)
Acer × neglectum var. elongatum Schwer.	Synonym		WCSP (in review)
Acer negundo L.	Accepted		WCSP (in review)
Acer negundo f. angustifolium Schwer.	Synonym		WCSP (in review)
Acer negundo f. angustissimum Pax	Synonym		WCSP (in review)
Acer negundo f. argenteolimbatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. argenteomarginatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. argenteonotatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. argenteovariegatum Schwer.	Synonym		WCSP (in review)
Acer negundo var. arizonicum Sarg.	Synonym		WCSP (in review)
Acer negundo f. auratum Schwer.	Synonym		WCSP (in review)
Acer negundo f. aureolimbatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. aureomaculatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. aureomarginatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. aureonotatum Schwer.	Synonym		WCSP (in review)
Acer negundo var. aureovariegatum Wesm.	Synonym		WCSP (in review)
Acer negundo f. aureovariegatum (Wesm.) Schwer.	Synonym		WCSP (in review)
Acer negundo f. bicolor Pax	Synonym		WCSP (in review)
Acer negundo subsp. boreale A.E.Murray	Synonym		WCSP (in review)
Acer negundo subsp. californicum (Torr. & A.Gray) Wesm.	Accepted		WCSP (in review)
Acer negundo var. californicum (Torr. & A.Gray) Sarg.	Synonym		WCSP (in review)
Acer negundo f. chrysophyllum Schwer.	Synonym		WCSP (in review)
Acer negundo f. crispum Schwer.	Synonym		WCSP (in review)
Acer negundo f. discolor Schwer.	Synonym		WCSP (in review)
Acer negundo f. flamingo Geerinck	Synonym		WCSP (in review)
Acer negundo f. fructurubro A.E.Murray	Synonym		WCSP (in review)
Acer negundo f. giganteum Schwer.	Synonym		WCSP (in review)
Acer negundo f. glabrescens A.E.Murray	Synonym		WCSP (in review)
Acer negundo f. guttatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. heterophyllum Schwer.	Synonym		WCSP (in review)
Acer negundo f. insigne Schwer.	Synonym		WCSP (in review)
Acer negundo subsp. interior (Britton) Á. Löve & D. Löve	Synonym		TRO
Acer negundo var. interior (Britton) Sarg.	Synonym		TRO
Acer negundo var. interius (Britton) Sarg.	Synonym		WCSP (in review)
Acer negundo subsp. interius (Britton) Á.Löve & D.Löve	Accepted		WCSP (in review)
Acer negundo f. lanceolatum A.E.Murray	Synonym		WCSP (in review)
Acer negundo var. latifolium Pax	Synonym		WCSP (in review)
Acer negundo subsp. latifolium (Pax) Schwer.	Synonym		WCSP (in review)
Acer negundo f. latifolium Sarg.	Synonym		WCSP (in review)
Acer negundo f. loeveorum B.Boivin	Synonym		WCSP (in review)
Acer negundo f. luteopictum Schwer.	Synonym		WCSP (in review)
Acer negundo f. lutescens Schwer.	Synonym		WCSP (in review)
Acer negundo subsp. mexicanum (DC.) Wesm.	Accepted		WCSP (in review)
Acer negundo var. mexicanum (DC.) Kuntze	Synonym		WCSP (in review)
Acer negundo var. mexicanum (DC.) Standl. & Steyerm.	Unresolved		TRO
Acer negundo f. nanum Schwer.	Synonym		WCSP (in review)
Acer negundo var. orizabense (Rydb.) Standl. & Steyerm.	Synonym		WCSP (in review)
Acer negundo var. parishianum Kuntze	Synonym		WCSP (in review)
Acer negundo f. petiolatum Schwer.	Synonym		WCSP (in review)
Acer negundo var. poseudocalifornicum Schwer.	Synonym		WCSP (in review)
Acer negundo f. pruinosum Schwer.	Synonym		WCSP (in review)
Acer negundo f. quinatum Schwer.	Synonym		WCSP (in review)
Acer negundo f. robustum	Synonym		WCSP (in review)
Acer negundo f. rubescens Schwer.	Synonym		WCSP (in review)
Acer negundo var. rubifolium Pax & Schwer.	Synonym		WCSP (in review)
Acer negundo f. sanguineum L.Martin	Synonym		WCSP (in review)
Acer negundo var. texanum Pax	Synonym		WCSP (in review)
Acer negundo var. trifoliatum Kuntze	Synonym		WCSP (in review)
Acer negundo var. variegatum Jacques	Synonym		WCSP (in review)
Acer negundo f. variegatum (Jacques) Geerinck	Synonym		WCSP (in review)
Acer negundo f. versicolor Schwer.	Synonym		WCSP (in review)
Acer negundo var. violaceum (Booth ex Loudon) G.Kirchn.	Synonym		WCSP (in review)
Acer negundo f. violaceum (Booth ex G.Kirchn.) F.Seym.	Synonym		WCSP (in review)
Acer negundo f. wesmaelianum Geerinck	Synonym		WCSP (in review)
Acer neomexicanum Greene	Synonym		WCSP (in review)
Acer nepalense Dippel	Synonym		WCSP (in review)
Acer nigrum F.Michx.	Synonym		WCSP (in review)
Acer nigrum var. floridanum (Chapm.) Fosberg	Synonym		WCSP (in review)
Acer nigrum var. glaucum (Schmidt) Fosberg	Synonym		WCSP (in review)
Acer nigrum var. grandidentatum (Nutt. ex Torr. & A.Gray) Fosberg	Synonym		WCSP (in review)
Acer nigrum var. leucoderme (Small) Fosberg	Synonym		WCSP (in review)
Acer nigrum var. palmeri Sarg.	Synonym		WCSP (in review)
Acer nigrum var. pseudoplatanoides (Pax) Fosberg	Synonym		WCSP (in review)
Acer nigrum f. pubescens Deam	Synonym		WCSP (in review)
Acer nigrum subsp. saccharophorum (K.Koch) R.T.Clausen	Synonym		WCSP (in review)
Acer nigrum var. schneckii (Rehder) Fosberg	Synonym		WCSP (in review)
Acer nigrum var. sinuosum (Rehder) Fosberg	Synonym		WCSP (in review)
Acer nigrum f. villosum Deam	Synonym		WCSP (in review)
Acer nikoense (Miq.) Maxim.	Synonym		WCSP (in review)
Acer nikoense var. griseum Franch.	Synonym		WCSP (in review)
Acer nikoense var. megalocarpum Rehder	Synonym		WCSP (in review)
Acer nikoense subsp. megalocarpum (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer ningpoense (Hance) W.P.Fang	Synonym		WCSP (in review)
Acer nipponicum H.Hara	Accepted		WCSP (in review)
Acer nipponicum var. australe T.Yamaz.	Synonym		WCSP (in review)
Acer nipponicum var. koshinense T.Yamaz.	Synonym		WCSP (in review)
Acer nipponicum subsp. orientale T.Yamaz.	Synonym		WCSP (in review)
Acer nipponicum var. orientale T.Yamaz.	Synonym		WCSP (in review)
Acer niveum Blume	Synonym		WCSP (in review)
Acer niveum f. cassiifolium (Blume) Schwer.	Synonym		WCSP (in review)
Acer niveum var. cassiifolium (Blume) Miq.	Synonym		WCSP (in review)
Acer niveum f. laurinum (Hassk.) Schwer.	Synonym		WCSP (in review)
Acer nudicarpum (Nakai) Nakai	Synonym		WCSP (in review)
Acer nuttallii (Nieuwl.) Lyon	Synonym		WCSP (in review)
Acer oblongifolium Dippel	Synonym		WCSP (in review)
Acer oblongum Wall. ex DC.	Accepted		WCSP (in review)
Acer oblongum var. angustum (Pax) Wesm.	Synonym		WCSP (in review)
Acer oblongum var. biauratum W.W.Sm.	Synonym		WCSP (in review)
Acer oblongum var. concolor Pax	Synonym		WCSP (in review)
Acer oblongum f. concolor (Pax) Schwer.	Synonym		WCSP (in review)
Acer oblongum var. erythrocarpum H. Lév.	Synonym		TRO
Acer oblongum f. glaucum Schwer.	Synonym		WCSP (in review)
Acer oblongum var. itoanum Hayata	Synonym		WCSP (in review)
Acer oblongum var. laevigatum (Wall.) Wesm.	Synonym		TRO
Acer oblongum var. laosianum Lecomte	Synonym		WCSP (in review)
Acer oblongum var. latialatum Pax	Synonym		WCSP (in review)
Acer oblongum var. macrocarum Hu	Synonym		WCSP (in review)
Acer oblongum var. membranaceum Banerji	Synonym		WCSP (in review)
Acer oblongum var. microcarpum Hiern	Synonym		WCSP (in review)
Acer oblongum f. microcarpum (Hiern) Schwer.	Synonym		WCSP (in review)
Acer oblongum var. oblongum	Accepted		TRO
Acer oblongum var. pachyphyllum W.P.Fang	Synonym		WCSP (in review)
Acer oblongum var. trilobum Henry	Synonym		TRO
Acer obtusatum Waldst. & Kit. ex Willd.	Synonym		WCSP (in review)
Acer obtusatum var. africanum Pax	Synonym		WCSP (in review)
Acer obtusatum f. africanum (Pax) Schwer.	Synonym		WCSP (in review)
Acer obtusatum var. anomalum Pax	Synonym		WCSP (in review)
Acer obtusatum f. anomalum (Pax) Schwer.	Synonym		WCSP (in review)
Acer obtusatum var. coriaceum (Bosc ex Tausch.) Loudon	Synonym		WCSP (in review)
Acer obtusatum f. daisaretica Drenk.	Synonym		WCSP (in review)
Acer obtusatum subsp. glabrescens Schwer.	Synonym		WCSP (in review)
Acer obtusatum var. ibericum (M.Bieb.) Loudon	Synonym		WCSP (in review)
Acer obtusatum var. lobatum Loudon	Synonym		WCSP (in review)
Acer obtusatum var. malvaceum Pax	Synonym		WCSP (in review)
Acer obtusatum f. malvaceum (Pax) Schwer.	Synonym		WCSP (in review)
Acer obtusatum subsp. neapolitanum (Ten.) Pax	Synonym		WCSP (in review)
Acer obtusatum var. neapolitanum (Ten.) DC.	Synonym		WCSP (in review)
Acer obtusatum subsp. tomentosum (K.Koch)	Synonym		WCSP (in review)
Acer obtusifolium Sm.	Accepted		WCSP (in review)
Acer okamotoanum Nakai	Synonym		WCSP (in review)
Acer okamotoi Nakai	Accepted		WCSP (in review)
Acer oligocarpum W.P.Fang & L.C.Hu	Accepted		WCSP (in review)
Acer olivaceum W.P.Fang & P.L.Chiu	Accepted		WCSP (in review)
Acer oliverianum Pax	Accepted		WCSP (in review)
Acer oliverianum subsp. formosanum (Koidz.) A.E.Murray	Accepted		WCSP (in review)
Acer oliverianum f. longistaminum Hayata	Synonym		WCSP (in review)
Acer oliverianum f. microcarpum Hayata	Synonym		WCSP (in review)
Acer oliverianum var. microcarpum Hayata	Synonym		TRO
Acer oliverianum var. nakaharae Hayata	Synonym		WCSP (in review)
Acer oliverianum var. serrulatum (Dunn) Rehder	Synonym		TRO
Acer oliverianum var. tutcheri (Duthie) F.P. Metcalf ex Krüssm.	Synonym		TRO
Acer opalus Mill.	Accepted		WCSP (in review)
Acer opalus var. africanum (Pax) E.Murray	Synonym		WCSP (in review)
Acer opalus subsp. africanum (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. brachypterum Spach	Synonym		WCSP (in review)
Acer opalus f. glabrescens A.E.Murray	Synonym		WCSP (in review)
Acer opalus f. glaucum A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. granatense (Boiss.) Maire	Synonym		WCSP (in review)
Acer opalus subsp. granatense (Boiss.) Font Quer & Rothm.	Accepted		WCSP (in review)
Acer opalus subsp. hispanicum (Pourr.) A.E.Murray	Synonym		WCSP (in review)
Acer opalus subsp. hyrcanum (Fisch. & C.A.Mey.) A.E.Murray	Synonym		WCSP (in review)
Acer opalus subsp. intermedium (Pancic Pancic Pancic Pancic Pancic) A.E.Murray	Synonym		WCSP (in review)
Acer opalus f. keckianum (Asch. & Sint. ex Pax) A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. macropterum Spach	Synonym		WCSP (in review)
Acer opalus var. microcarpum Spach	Synonym		WCSP (in review)
Acer opalus f. microphyllum K.Koch	Synonym		WCSP (in review)
Acer opalus var. montsiccianum (Font Quer) Romo	Synonym		WCSP (in review)
Acer opalus var. montsiccianum (Font Quer) Rivas Mart.	Synonym		WCSP (in review)
Acer opalus var. obtusatum (Waldst. & Kit. ex Willd.) Henry	Synonym		WCSP (in review)
Acer opalus subsp. obtusatum (Waldst. & Kit. ex Willd.) Gams	Accepted		WCSP (in review)
Acer opalus var. paradoxum (Bornm. & Sint.) A.E.Murray	Synonym		WCSP (in review)
Acer opalus f. pubescens A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. reginae-amaliae (Orph. ex Boiss.) Aldén	Synonym		WCSP (in review)
Acer opalus subsp. reygassei (Boiss. & Blanche) A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. sphaerocaryum (Yalt.) A.E.Murray	Synonym		WCSP (in review)
Acer opalus var. stenopterum Spach	Synonym		WCSP (in review)
Acer opalus subsp. stevenii (Pojark.) A.E.Murray	Synonym		WCSP (in review)
Acer opalus subsp. tauricolum (Boiss. & Balansa) A.E.Murray	Synonym		WCSP (in review)
Acer opizii Ortmann ex Opiz.	Synonym		WCSP (in review)
Acer opulifolium Vill.	Synonym		WCSP (in review)
Acer opulifolium Thuill. [Illegitimate]	Synonym		WCSP (in review)
Acer opulifolium var. tomentosum K.Koch	Synonym		WCSP (in review)
Acer orientale L.	Synonym		WCSP (in review)
Acer orientale var. cuneifolium (Spach) Pax	Synonym		WCSP (in review)
Acer orientale f. cuneifolium (Spach) Schwer.	Synonym		WCSP (in review)
Acer orientale subsp. cyprium (Boiss.) A.E.Murray	Synonym		WCSP (in review)
Acer orientale var. obtusifolium (Sm.) Pax	Synonym		WCSP (in review)
Acer orientale f. obtusifolium (Sm.) Schwer.	Synonym		WCSP (in review)
Acer orientale var. ovale Pax	Synonym		WCSP (in review)
Acer orientale f. ovale (Pax) Schwer.	Synonym		WCSP (in review)
Acer orientale f. quinquenerve Vierh.	Synonym		WCSP (in review)
Acer orientale var. rotundifolium (Spach) Pax	Synonym		WCSP (in review)
Acer orientale f. rotundifolium (Spach) Schwer.	Synonym		WCSP (in review)
Acer orientale subsp. syriacum (Boiss. & Gaill.) A.E.Murray	Synonym		WCSP (in review)
Acer orizabense (Rydb.) Standl.	Synonym		WCSP (in review)
Acer ornatum Carrière	Synonym		WCSP (in review)
Acer orthopteron Masson ex Opiz	Synonym		WCSP (in review)
Acer osmastonii Gamble	Synonym		WCSP (in review)
Acer ovatifolium Koidz.	Synonym		WCSP (in review)
Acer ovczinnikovii V. Zapr.	Unresolved		TRO
Acer oxyodon Franch. ex W.P.Fang [Invalid]	Synonym		WCSP (in review)
Acer paihengii W.P.Fang	Synonym		WCSP (in review)
Acer pallidum Aiton ex Steud. [Invalid]	Synonym		WCSP (in review)
Acer palmatifidum Tausch ex Steud. [Invalid]	Synonym		WCSP (in review)
Acer palmatisectum Ortmann ex Celak.	Synonym		WCSP (in review)
Acer palmatum Thunb.	Accepted		WCSP (in review)
Acer palmatum Raf. [Illegitimate]	Synonym		WCSP (in review)
Acer palmatum f. albomarginatum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. albovariegatum Pax	Synonym		WCSP (in review)
Acer palmatum var. amoenum (Carrière) Ohwi	Synonym		WCSP (in review)
Acer palmatum subsp. amoenum (Carrière) H.Hara	Accepted		WCSP (in review)
Acer palmatum f. argenteomarginatum Pax	Synonym		WCSP (in review)
Acer palmatum f. atrolineare Schwer.	Synonym		WCSP (in review)
Acer palmatum f. atropurpureum (Van Houtte) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. aureum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. bicolor G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. brevilobum Schwer.	Synonym		WCSP (in review)
Acer palmatum f. caudatum Schwer.	Synonym		WCSP (in review)
Acer palmatum var. coreanum Nakai	Synonym		WCSP (in review)
Acer palmatum var. crispum André	Synonym		WCSP (in review)
Acer palmatum f. crispum (André) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. cuneatum Schwer.	Synonym		WCSP (in review)
Acer palmatum var. dissectum (Thunb.) Miq.	Synonym		WCSP (in review)
Acer palmatum f. elegans G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. elegans-purpureum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. flavescens G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. friederici-guillelmii (Carr) Schwer.	Synonym		WCSP (in review)
Acer palmatum var. heptalobum Rehder	Synonym		WCSP (in review)
Acer palmatum f. hessei Schwer.	Synonym		WCSP (in review)
Acer palmatum f. laciniatum Schwer.	Synonym		WCSP (in review)
Acer palmatum f. latifolium-atropurpureum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum var. latilobatum Koidz.	Synonym		TRO
Acer palmatum f. latilobatum (Koidz.) Ohwi	Accepted		TRO
Acer palmatum f. latilobum (Koidz.) Ohwi	Synonym		WCSP (in review)
Acer palmatum f. lineare Schwer.	Synonym		WCSP (in review)
Acer palmatum var. linearilobum Miq.	Synonym		WCSP (in review)
Acer palmatum f. linearilobum (Siebold & Zucc.) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum var. linearilobum Siebold & Zucc.	Synonym		WCSP (in review)
Acer palmatum f. linearilobum-atropurpureum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. lobatum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. luteoflorum A.E.Murray	Synonym		WCSP (in review)
Acer palmatum var. matsumurae (Koidz.) Makino	Synonym		WCSP (in review)
Acer palmatum subsp. matsumurae Koidz.	Accepted		WCSP (in review)
Acer palmatum f. minor G.Nicholson	Synonym		WCSP (in review)
Acer palmatum var. multifidum K.Koch	Synonym		WCSP (in review)
Acer palmatum f. nicholsonii Schwer.	Synonym		WCSP (in review)
Acer palmatum var. ornatum (Carrière) André	Synonym		WCSP (in review)
Acer palmatum f. ornatum (Carrière) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum var. palmatilobum Koidz.	Synonym		WCSP (in review)
Acer palmatum var. palmatipartitum Koidz.	Synonym		WCSP (in review)
Acer palmatum f. polychromum Pax	Synonym		WCSP (in review)
Acer palmatum var. pubescens H.L.Li	Synonym		WCSP (in review)
Acer palmatum subsp. pubescens (H.L.Li) A.E.Murray	Synonym		WCSP (in review)
Acer palmatum var. pubescens Li	Synonym		TRO
Acer palmatum f. reticulatum (André) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. rhodoneurum Pax	Synonym		WCSP (in review)
Acer palmatum f. rhodophyllum Pax	Synonym		WCSP (in review)
Acer palmatum f. roseomarginatum (Van Houtte) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. rubellum Pax	Synonym		WCSP (in review)
Acer palmatum f. rubrolatifolium Schwer.	Synonym		WCSP (in review)
Acer palmatum f. rubrum Schwer.	Synonym		WCSP (in review)
Acer palmatum f. rufinerve Schwer.	Synonym		WCSP (in review)
Acer palmatum f. sanguineum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. scolopendrifolium Schwer. & Hesse	Synonym		WCSP (in review)
Acer palmatum f. sessilifolium (Siebold & Zucc.) G.Nicholson	Synonym		WCSP (in review)
Acer palmatum var. sessilifolium (Siebold & Zucc.) Maxim.	Synonym		WCSP (in review)
Acer palmatum f. sinuatum Schwer.	Synonym		WCSP (in review)
Acer palmatum var. spontaneum Koidz.	Synonym		WCSP (in review)
Acer palmatum f. tricolor G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. van-houttei Schwer.	Synonym		WCSP (in review)
Acer palmatum f. variegatum G.Nicholson	Synonym		WCSP (in review)
Acer palmatum f. versicolor (Van Houtte) Schwer.	Synonym		WCSP (in review)
Acer palmatum f. volubile Schwer.	Synonym		WCSP (in review)
Acer palmifolium Borkh.	Synonym		WCSP (in review)
Acer palmifolium f. barbatum (Michx.) Schwer.	Synonym		WCSP (in review)
Acer palmifolium var. concolor Schwer.	Synonym		WCSP (in review)
Acer palmifolium f. euconcolor Schwer.	Synonym		WCSP (in review)
Acer palmifolium f. glabratum Schwer.	Synonym		WCSP (in review)
Acer palmifolium f. glaucum (Pax) Schwer.	Synonym		WCSP (in review)
Acer palmifolium var. glaucum Sarg.	Synonym		WCSP (in review)
Acer palmifolium f. integrilobum Schwer.	Synonym		WCSP (in review)
Acer palmifolium var. nigrum (F.Michx.) Schwer.	Synonym		WCSP (in review)
Acer palmifolium var. pseuoplatanoides (Pax) Schwer.	Synonym		WCSP (in review)
Acer palmifolium f. truncatum Schwer.	Synonym		WCSP (in review)
Acer palmifolium f. villosum Schwer.	Synonym		WCSP (in review)
Acer papilio King	Synonym		WCSP (in review)
Acer parviflorum Ehrh.	Synonym		WCSP (in review)
Acer parviflorum Franch. & Sav. [Illegitimate]	Synonym		WCSP (in review)
Acer × parvifolium Tausch	Synonym		WCSP (in review)
Acer pashanicum W.P.Fang & Soong	Synonym		WCSP (in review)
Acer pauciflorum W.P.Fang	Accepted		WCSP (in review)
Acer pauciflorum var. changhuaense W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer × paui Marcet	Synonym		WCSP (in review)
Acer pavia Dippel	Synonym		WCSP (in review)
Acer pavolinii Pamp.	Synonym		WCSP (in review)
Acer paxii Franch.	Accepted		WCSP (in review)
Acer paxii var. ningpoense (Hance) Pax	Synonym		TRO
Acer paxii var. semilunatum W.P.Fang	Synonym		WCSP (in review)
Acer pectinatum Wall. ex Pax [Illegitimate]	Synonym		WCSP (in review)
Acer pectinatum Wall. ex G.Nicholson	Accepted		WCSP (in review)
Acer pectinatum var. caudatilobum (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer pectinatum f. caudatilobum (Rehder) W.P.Fang	Synonym		WCSP (in review)
Acer pectinatum subsp. formosanum A.E.Murray	Synonym		WCSP (in review)
Acer pectinatum subsp. forrestii (Diels) A.E.Murray	Accepted		WCSP (in review)
Acer pectinatum subsp. laxiflorum (Pax) A.E.Murray	Accepted		WCSP (in review)
Acer pectinatum var. longilobum (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer pectinatum subsp. maximowiczii (Pax) A.E.Murray	Accepted		WCSP (in review)
Acer pectinatum f. rufinerve A.E.Murray	Synonym		WCSP (in review)
Acer pectinatum subsp. taronense (Hub.-Mor.) A.E.Murray	Accepted		WCSP (in review)
Acer pedunculatum K.S.Hao	Synonym		WCSP (in review)
Acer pehpeiense W.P.Fang & H.Y.Su	Accepted		WCSP (in review)
Acer pellucidobracteatum H.Lév. & Vaniot	Synonym		WCSP (in review)
Acer pensylvanicum L.	Accepted		WCSP (in review)
Acer pensylvanicum subsp. parviflorum (Franch. & Sav.) Wessmael	Synonym		TRO
Acer pensylvanicum var. tegmentosum (Maxim.) Wesm.	Synonym		TRO
Acer pentaphyllum Diels	Accepted		WCSP (in review)
Acer pentapomicum Stewart ex Brandis	Accepted		WCSP (in review)
Acer × peronai Schwer.	Synonym		WCSP (in review)
Acer × perrieri Chabert	Synonym		WCSP (in review)
Acer persicum Pojark.	Synonym		WCSP (in review)
Acer philippinum Merr.	Synonym		WCSP (in review)
Acer pictum Thunb.	Synonym		WCSP (in review)
Acer pictum Thunb.	Synonym		TRO
Acer pictum f. albomaculatum Dippel	Synonym		WCSP (in review)
Acer pictum var. ambiguum (Dippel) Pax	Synonym		WCSP (in review)
Acer pictum f. ambiguum (Dippel) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. angustilobum Makino	Synonym		WCSP (in review)
Acer pictum var. connivens G.Nicholson	Synonym		WCSP (in review)
Acer pictum f. connivens (G.Nicholson) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. connivens Nicholson	Synonym		TRO
Acer pictum var. dissectum Wesm.	Synonym		WCSP (in review)
Acer pictum f. dissectum (Wesm.) H.Ohashi	Synonym		WCSP (in review)
Acer pictum subsp. dissectum (Wesm.) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. glaucum Koidz.	Synonym		WCSP (in review)
Acer pictum subsp. glaucum (Koidz.) H.Ohashi	Synonym		WCSP (in review)
Acer pictum subsp. incurvatum (W.P.Fang & P.L.Chiu) H.Ohashi	Synonym		WCSP (in review)
Acer pictum subsp. macropterum (W.P.Fang) H.Ohashi	Synonym		WCSP (in review)
Acer pictum f. magnificum (H.Hara) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. marmoratum G.Nicholson	Synonym		WCSP (in review)
Acer pictum subsp. mayrii (Schwer.) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. mayrii (Schwer.) Henry	Synonym		TRO
Acer pictum subsp. minshanicum (W.P.Fang) H.Ohashi	Synonym		WCSP (in review)
Acer pictum f. mono (Maxim.) Schwer.	Synonym		WCSP (in review)
Acer pictum subsp. mono (Maxim.) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. mono (Maxim.)	Synonym		WCSP (in review)
Acer pictum var. mono (Maxim.) Franch.	Synonym		TRO
Acer pictum subsp. okamotoanum (Nakai) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. parviflorum (Regel) C.K. Schneid.	Synonym		TRO
Acer pictum var. paxii Schwer.	Synonym		WCSP (in review)
Acer pictum f. piliferum (K.Ogata) H.Ohashi	Synonym		WCSP (in review)
Acer pictum f. puberulum (K.Ogata) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. pubigerum W.P.Fang	Synonym		WCSP (in review)
Acer pictum subsp. pubigerum (W.P.Fang) Y.S.Chen	Synonym		WCSP (in review)
Acer pictum var. savatieri Pax	Synonym		WCSP (in review)
Acer pictum subsp. savatieri (Pax) H. Ohashi	Synonym		TRO
Acer pictum subsp. taishakuense (Ogata) H.Ohashi	Synonym		WCSP (in review)
Acer pictum f. tricuspis Rehder	Synonym		WCSP (in review)
Acer pictum subsp. tricuspis (Rehder) H.Ohashi	Synonym		WCSP (in review)
Acer pictum var. truncatum (Bunge) Chin S.Chang	Synonym		WCSP (in review)
Acer pictum subsp. truncatum (Bunge) A.E. Murray	Synonym		TRO
Acer pilosum Maxim.	Accepted		WCSP (in review)
Acer pilosum var. stenolobum (Rehder) W.P. Fang	Synonym		TRO
Acer pinnatifidum Dippel	Synonym		WCSP (in review)
Acer pinnatinervium Merr.	Synonym		WCSP (in review)
Acer pinnatum Lour. [Unplaced]	Unresolved		WCSP (in review)
Acer platanifolium Stokes	Synonym		WCSP (in review)
Acer platanifolium Griff. [Illegitimate]	Synonym		WCSP (in review)
Acer platanoides L.	Accepted		WCSP (in review)
Acer platanoides f. acuminatum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. adspersum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. albescens Dippel ex Schwer.	Synonym		WCSP (in review)
Acer platanoides f. albodentatum Schwer.	Synonym		WCSP (in review)
Acer platanoides var. albovariegatum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. albovariegatum (G.Nicholson) Schwer.	Synonym		WCSP (in review)
Acer platanoides f. argutum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. aureomarginatum Pax	Synonym		WCSP (in review)
Acer platanoides var. aureovariegatum Loudon	Synonym		WCSP (in review)
Acer platanoides f. bicolor Schwer.	Synonym		WCSP (in review)
Acer platanoides var. bullatum Schwer.	Synonym		WCSP (in review)
Acer platanoides var. buntzleri Wittm.	Synonym		WCSP (in review)
Acer platanoides f. buntzleri (Wittm.) Schwer.	Synonym		WCSP (in review)
Acer platanoides f. coloratum Pax	Synonym		WCSP (in review)
Acer platanoides var. coloratum (Pax) Schwer.	Synonym		WCSP (in review)
Acer platanoides f. columnare Schwer.	Synonym		WCSP (in review)
Acer platanoides var. columnare Carrière	Synonym		WCSP (in review)
Acer platanoides f. commune Pax	Synonym		WCSP (in review)
Acer platanoides var. crispum Spach	Synonym		WCSP (in review)
Acer platanoides f. cucullatum (G.Nicholson) Pax	Synonym		WCSP (in review)
Acer platanoides var. cucullatum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. cucullatum (G.Nicholson) Schwer.	Synonym		WCSP (in review)
Acer platanoides f. cuneatum Pax	Synonym		WCSP (in review)
Acer platanoides var. decussatum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. dilaceratum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. dissectum J.Jacq. ex Schwer.	Synonym		WCSP (in review)
Acer platanoides var. drummondii J.Drumm. ex Schwer.	Synonym		WCSP (in review)
Acer platanoides f. drummondii (J.Drumm. ex Schwer.) Geerinck	Synonym		WCSP (in review)
Acer platanoides f. erectum A.D.Slavin	Synonym		WCSP (in review)
Acer platanoides f. globosum (G.Nicholson) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. globosum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides var. hederifolium Schwer.	Synonym		WCSP (in review)
Acer platanoides var. heterophyllum Schwer.	Synonym		WCSP (in review)
Acer platanoides var. heterophyllum-variegatum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides var. incumbens Pax	Synonym		WCSP (in review)
Acer platanoides f. incumbens (Pax) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. integrilobum Tausch	Synonym		WCSP (in review)
Acer platanoides f. irregulare Schwer.	Synonym		WCSP (in review)
Acer platanoides var. laciniatum Aiton	Synonym		WCSP (in review)
Acer platanoides f. laciniatum (Aiton) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. lactescens G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. laetum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. latifolium Schwer.	Synonym		WCSP (in review)
Acer platanoides var. lobatum Aiton	Synonym		WCSP (in review)
Acer platanoides var. lobelii (Ten.) Loudon	Synonym		WCSP (in review)
Acer platanoides f. lorbergii Schwer.	Synonym		WCSP (in review)
Acer platanoides var. macrocarpum Spach	Synonym		WCSP (in review)
Acer platanoides f. meyeringii Geerinck	Synonym		WCSP (in review)
Acer platanoides var. minimum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. nanum (G.Nicholson) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. nanum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides var. palmatifidum Tausch	Synonym		WCSP (in review)
Acer platanoides var. palmatum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides var. palmipartitum Spach	Synonym		WCSP (in review)
Acer platanoides f. pictum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. plicatum Schwer.	Synonym		WCSP (in review)
Acer platanoides f. productum Pax	Synonym		WCSP (in review)
Acer platanoides f. pseudotruncatum Pax	Synonym		WCSP (in review)
Acer platanoides var. pubescens Hayne ex Loudon	Synonym		WCSP (in review)
Acer platanoides f. puckleri Schwer.	Synonym		WCSP (in review)
Acer platanoides var. purpureum G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. pygmaeum Schwer.	Synonym		WCSP (in review)
Acer platanoides var. reitenbachii G.Nicholson	Synonym		WCSP (in review)
Acer platanoides f. reitenbachii (G.Nicholson) Schwer.	Synonym		WCSP (in review)
Acer platanoides f. roseobullatum Schwer.	Synonym		WCSP (in review)
Acer platanoides var. rubrum Herder	Synonym		WCSP (in review)
Acer platanoides f. rubrum (Herder) Pax	Synonym		WCSP (in review)
Acer platanoides f. rufescens Schwer.	Synonym		WCSP (in review)
Acer platanoides f. schwedleri (K.Koch) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. schwedleri K.Koch	Synonym		WCSP (in review)
Acer platanoides var. stollii Schwer.	Synonym		WCSP (in review)
Acer platanoides var. truncatum (Bunge) Gams	Synonym		TRO
Acer platanoides subsp. turkestanicum (Pax) P.C.DeJong	Accepted		WCSP (in review)
Acer platanoides f. undulatum (Dippel) Schwer.	Synonym		WCSP (in review)
Acer platanoides var. undulatum Dippel	Synonym		WCSP (in review)
Acer platanoides var. variegatum Loudon	Synonym		WCSP (in review)
Acer platanoides f. variegatum (Loudon) Dippel	Synonym		WCSP (in review)
Acer platanoides f. wittmackii	Synonym		WCSP (in review)
Acer platanus Burm.f. [Unplaced]	Unresolved		WCSP (in review)
Acer platypterum Greene	Synonym		WCSP (in review)
Acer pluridens T.Z.Hsu & H.Sun	Accepted		WCSP (in review)
Acer poliophyllum W.P.Fang & Y.T.Wu	Accepted		WCSP (in review)
Acer politum Greene	Synonym		WCSP (in review)
Acer polycarpon Opiz	Synonym		WCSP (in review)
Acer × polymorphum Spach	Synonym		WCSP (in review)
Acer polymorphum Siebold & Zucc. [Illegitimate]	Synonym		WCSP (in review)
Acer polymorphum f. atropurpureum Van Houtte	Synonym		WCSP (in review)
Acer polymorphum var. kaempferi Späth	Synonym		WCSP (in review)
Acer × polymorphum var. major Spach	Synonym		WCSP (in review)
Acer × polymorphum var. minor Spach	Synonym		WCSP (in review)
Acer polymorphum var. palmatum (Thunb.) K. Koch	Synonym		TRO
Acer polymorphum f. roseomarginatum Van Houtte	Synonym		WCSP (in review)
Acer polymorphum f. versicolor Van Houtte	Synonym		WCSP (in review)
Acer praecox Opiz	Synonym		WCSP (in review)
Acer prainii H.Lév.	Synonym		WCSP (in review)
Acer procerum Salisb.	Synonym		WCSP (in review)
Acer prolificum W.P.Fang & M.Y.Fang	Synonym		WCSP (in review)
Acer × pseudocreticum P.Fourn. [Unplaced]	Unresolved		WCSP (in review)
Acer pseudolaetum Radde-Fom.	Synonym		WCSP (in review)
Acer pseudoplatanus L.	Accepted		WCSP (in review)
Acer pseudoplatanus var. acuminatum Tausch	Synonym		WCSP (in review)
Acer pseudoplatanus f. albertsii Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. albomarmoratum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. albovariegatum Hayne ex Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. albovariegatum (Hayne ex Loudon) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. annae Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. anomalum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. argutum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. atropurpureum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. aucubifolium Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. aureovariegatum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. bicolor Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. brevialatum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. coloratum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. complicatum H.Mort.	Synonym		WCSP (in review)
Acer pseudoplatanus f. complicatum (H.Mort.) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. concavum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. costorphinense Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. crispum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. cruciatum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. cupreum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. discolor Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. dittrichii (Ortm.) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. erythrocarpum (Carrière) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. erythrocarpum Carrière	Synonym		WCSP (in review)
Acer pseudoplatanus f. euchlorum Späth ex Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. fieberi Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. flava-variegatum Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. flavescens Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. grandicorne Borbás	Synonym		WCSP (in review)
Acer pseudoplatanus var. handjeryi Späth ex Rehder	Synonym		WCSP (in review)
Acer pseudoplatanus f. handjeryi (Späth ex Rehder) Geerinck	Synonym		WCSP (in review)
Acer pseudoplatanus f. handjeryi Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. insigne Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. laciniatum Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. laetum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. latialatum (Pax) Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. latialatum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus f. leopoldii Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. longifolium Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. luteovirescens Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. lutescens Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. macrocarpum Spach	Synonym		WCSP (in review)
Acer pseudoplatanus var. medium Spach	Synonym		WCSP (in review)
Acer pseudoplatanus f. metallicum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. microcarpum Spach	Synonym		WCSP (in review)
Acer pseudoplatanus var. nebrodense Tineo ex Pax	Synonym		WCSP (in review)
Acer pseudoplatanus f. neglectum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. nervosum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. nizetii Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. obtusangulatum	Synonym		WCSP (in review)
Acer pseudoplatanus f. opizii (Ortmann ex Opiz.) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. opulifolium (Vill.) Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. palmatifidum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. pseudonizetii Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. purpurascens Pax	Synonym		WCSP (in review)
Acer pseudoplatanus f. purpureum (Loudon) Rehder	Synonym		WCSP (in review)
Acer pseudoplatanus var. purpureum Loudon	Synonym		WCSP (in review)
Acer pseudoplatanus f. quadricolor Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. quinquelobum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. rubromaculatum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus f. sanguineum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. serotinum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. serratum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. siculum Guss.	Synonym		WCSP (in review)
Acer pseudoplatanus f. siculum (Guss.) Borbás	Synonym		WCSP (in review)
Acer pseudoplatanus f. spaethii Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. subintegrilobum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. subobtusum DC.	Synonym		WCSP (in review)
Acer pseudoplatanus f. subparallelum Borbás	Synonym		WCSP (in review)
Acer pseudoplatanus var. subtrilobum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. subtruncatum Pax	Synonym		WCSP (in review)
Acer pseudoplatanus var. ternatum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. tomentosum Tausch	Synonym		WCSP (in review)
Acer pseudoplatanus var. triangulare Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. tricolor Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. trilobatum Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus var. vanvolxemii (Mast.) Wesmael	Synonym		TRO
Acer pseudoplatanus f. variegatum (Weston) Rehder	Synonym		WCSP (in review)
Acer pseudoplatanus subsp. villosum (J.Presl & C.Presl) Parl.	Synonym		WCSP (in review)
Acer pseudoplatanus var. vitifolium Tausch	Synonym		WCSP (in review)
Acer pseudoplatanus f. vitifolium (Tausch) Schwer.	Synonym		WCSP (in review)
Acer pseudoplatanus f. worleei Rosenthal ex Schwer.	Synonym		WCSP (in review)
Acer pseudosieboldianum (Pax) Kom.	Accepted		WCSP (in review)
Acer pseudosieboldianum var. ambiguum Nakai	Synonym		WCSP (in review)
Acer pseudosieboldianum var. koreanum Nakai	Synonym		WCSP (in review)
Acer pseudosieboldianum var. lanuginosum Nakai	Synonym		WCSP (in review)
Acer pseudosieboldianum var. macrocarpum Nakai	Synonym		WCSP (in review)
Acer pseudosieboldianum f. macrocarpum (Nakai) S.L.Tung	Synonym		WCSP (in review)
Acer pseudosieboldianum var. microsieboldianum (Nakai) L.S.Tung	Synonym		WCSP (in review)
Acer pseudosieboldianum var. nudicarpum (Nakai) Nakai	Accepted		TRO
Acer pseudosieboldianum subsp. takesimense (Nakai) P.C.DeJong	Accepted		WCSP (in review)
Acer pubescens Franch.	Synonym		WCSP (in review)
Acer pubescens var. glabrescens Pax	Synonym		WCSP (in review)
Acer pubinerve Rehder	Synonym		WCSP (in review)
Acer pubinerve var. apiferum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer pubinerve var. kwangtungense (Chun) W.P.Fang	Synonym		WCSP (in review)
Acer pubipalmatum W.P.Fang	Accepted		WCSP (in review)
Acer pubipalmatum var. pulcherrimum W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer pubipetiolatum Hu & W.C.Cheng	Synonym		WCSP (in review)
Acer pulchrum G.Nicholson	Synonym		WCSP (in review)
Acer pulverulentum Dippel	Synonym		WCSP (in review)
Acer pumilum W.Bartram	Synonym		WCSP (in review)
Acer purpurascens Franch. & Sav.	Synonym		WCSP (in review)
Acer purpureum Dippel	Synonym		WCSP (in review)
Acer pycnanthum K.Koch	Accepted		WCSP (in review)
Acer quinquelobatum J.Wagner ex Opiz	Synonym		WCSP (in review)
Acer quinquelobum Gilib. [Invalid]	Synonym		WCSP (in review)
Acer quinquelobum K.Koch	Misapplied		WCSP (in review)
Acer radujaensis Formánek [Unplaced]	Unresolved		WCSP (in review)
Acer rafinesquianum Dippel	Synonym		WCSP (in review)
Acer rectangulum Dulac	Synonym		WCSP (in review)
Acer regelii Pax	Synonym		WCSP (in review)
Acer reginae-amaliae Orph. ex Boiss.	Synonym		WCSP (in review)
Acer reitenbachii Dippel	Synonym		WCSP (in review)
Acer reticulatum Champ. ex Benth.	Synonym		WCSP (in review)
Acer reticulatum var. dimorphifolium (F.P. Metcalf) W.P. Fang & W.K. Hu	Synonym		TRO
Acer reygassei Boiss. & Blanche	Synonym		WCSP (in review)
Acer ribesifolium Dippel	Synonym		WCSP (in review)
Acer robustum Opiz	Synonym		WCSP (in review)
Acer robustum Pax	Accepted		WCSP (in review)
Acer robustum var. honanense W.P.Fang	Synonym		WCSP (in review)
Acer robustum var. minus W.P.Fang	Synonym		WCSP (in review)
Acer roseomarginatum (Van Houtte) Koidz.	Synonym		WCSP (in review)
Acer rotundifolium Lam.	Synonym		WCSP (in review)
Acer rotundum Dulac	Synonym		WCSP (in review)
Acer rubescens Hayata	Accepted		WCSP (in review)
Acer rubronervium Y.K.Li	Accepted		WCSP (in review)
Acer rubrum L.	Accepted		WCSP (in review)
Acer rubrum f. breviramusculum Vict.	Synonym		WCSP (in review)
Acer rubrum subsp. carolinianum (Walter) W.Stone	Synonym		WCSP (in review)
Acer rubrum var. clausum Pax	Synonym		WCSP (in review)
Acer rubrum f. clausum (Pax) Schwer.	Synonym		WCSP (in review)
Acer rubrum var. coccineum Aiton	Synonym		WCSP (in review)
Acer rubrum var. columnare Rehder	Synonym		WCSP (in review)
Acer rubrum f. columnare Dans.	Synonym		WCSP (in review)
Acer rubrum var. drummondii (Nutt.) Sarg.	Synonym		WCSP (in review)
Acer rubrum subsp. drummondii (Nutt.) A.E.Murray	Synonym		WCSP (in review)
Acer rubrum f. drummondii (Nutt.) Schwer.	Synonym		WCSP (in review)
Acer rubrum var. globosum Rehder	Synonym		WCSP (in review)
Acer rubrum var. intermedium Lodd. ex Loudon	Synonym		WCSP (in review)
Acer rubrum var. latifolium Schwer.	Synonym		WCSP (in review)
Acer rubrum subsp. microphyllum Wesm.	Synonym		WCSP (in review)
Acer rubrum f. microphyllum (Wesm.) Schwer.	Synonym		WCSP (in review)
Acer rubrum var. pallidiflorum K.Koch ex Pax	Synonym		WCSP (in review)
Acer rubrum f. pallidiflorum (K.Koch ex Pax) Fernald	Synonym		WCSP (in review)
Acer rubrum var. pallidum Aiton	Synonym		WCSP (in review)
Acer rubrum f. palmatum Schwer.	Synonym		WCSP (in review)
Acer rubrum var. pendulum Lavallée	Synonym		WCSP (in review)
Acer rubrum f. pendulum (Van Houtte) Schwer.	Synonym		WCSP (in review)
Acer rubrum var. pycnanthum (KOCH) Makino	Synonym		TRO
Acer rubrum f. rotundata Sarg.	Synonym		WCSP (in review)
Acer rubrum var. rubrocarpum Detmers	Synonym		WCSP (in review)
Acer rubrum var. sanguineum (Spach) Pax	Synonym		WCSP (in review)
Acer rubrum f. sanguineum (Spach) Lavallée	Synonym		WCSP (in review)
Acer rubrum var. schlesingeri Sarg.	Synonym		WCSP (in review)
Acer rubrum subsp. semiorbiculatum (Pax) Wesm.	Synonym		WCSP (in review)
Acer rubrum f. semiorbiculatum (Pax) Schwer.	Synonym		WCSP (in review)
Acer rubrum var. stenocarpum Ashe	Synonym		WCSP (in review)
Acer rubrum var. tomentosum Tausch [Illegitimate]	Synonym		WCSP (in review)
Acer rubrum subsp. tomentosum (Tausch) Pax	Synonym		WCSP (in review)
Acer rubrum f. tomentosum (Tausch) Dans.	Synonym		WCSP (in review)
Acer rubrum var. tridens Alph.Wood	Synonym		WCSP (in review)
Acer rubrum f. tridens (Alph.Wood) B.Boivin	Synonym		WCSP (in review)
Acer rubrum var. trilobum Torr. & A.Gray ex K.Koch	Synonym		WCSP (in review)
Acer rubrum var. viride Detmers	Synonym		WCSP (in review)
Acer rubrum f. viride (Detmers) A.E.Murray	Synonym		WCSP (in review)
Acer rubrum f. wagneri K.Koch	Synonym		WCSP (in review)
Acer rufinerve Siebold & Zucc.	Accepted		WCSP (in review)
Acer rufinerve var. albolimbatum Hook.f.	Synonym		WCSP (in review)
Acer rufinerve f. albolimbatum (Hook.f.) Schwer.	Synonym		WCSP (in review)
Acer rufinerve f. angustifolium Kitam.	Synonym		WCSP (in review)
Acer rufinerve var. marginatum Pax	Synonym		WCSP (in review)
Acer rufinerve var. marmoratum Pax	Synonym		WCSP (in review)
Acer rufinerve f. marmoratum (Pax) Geerinck	Synonym		WCSP (in review)
Acer rugelii Pax	Unresolved		WCSP (in review)
Acer rumelicum (Griseb.) Borbás	Synonym		WCSP (in review)
Acer rupicolum Chabert	Synonym		WCSP (in review)
Acer sabaudum Chabert [Invalid]	Synonym		WCSP (in review)
Acer saccharinum L.	Accepted		WCSP (in review)
Acer saccharinum f. ahlesii A.E.Murray	Synonym		WCSP (in review)
Acer saccharinum var. floridanum Chapm.	Synonym		WCSP (in review)
Acer saccharinum subsp. floridanum (Chapm.) Wesm.	Synonym		WCSP (in review)
Acer saccharinum var. glaucum Schmidt	Synonym		WCSP (in review)
Acer saccharinum var. glaucum Pax	Synonym		TRO
Acer saccharinum var. nigrum (F.Michx.) Torr. & A.Gray	Synonym		WCSP (in review)
Acer saccharinum var. pseudoplatanoides Pax	Synonym		WCSP (in review)
Acer saccharinum f. purpureocarpum A.E.Murray	Synonym		WCSP (in review)
Acer saccharinum subsp. rugelii (Pax) Wesm.	Synonym		WCSP (in review)
Acer saccharinum var. viride Schmidt	Synonym		WCSP (in review)
Acer saccharophorum K.Koch	Synonym		WCSP (in review)
Acer saccharophorum f. angustilobatum Vict. & J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum f. conicum (Fernald) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum f. glaucum (Schmidt) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum var. nigrum (F.Michx.) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum f. palmeri (Sarg.) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum var. rugelii (Pax) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum var. schneckii (Rehder) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum var. sinuosum (Rehder) J.Rousseau	Synonym		WCSP (in review)
Acer saccharophorum var. subvestitum Vict. & Roll.-Germ.	Synonym		WCSP (in review)
Acer saccharum Marshall	Accepted		WCSP (in review)
Acer saccharum var. acuminatum (Trel.) A.E.Murray	Unresolved		WCSP (in review)
Acer saccharum f. angustilobatum (Vict. & J.Rousseau) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. barbatum (Michx.) Trel.	Unresolved		WCSP (in review)
Acer saccharum f. barbatum (Michx.) Pax	Unresolved		WCSP (in review)
Acer saccharum subsp. brachypterum (Wooton & Standl.) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. brachypterum (Wooton & Standl.) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum f. conicum Fernald	Synonym		WCSP (in review)
Acer saccharum f. euconcolor Pax	Synonym		WCSP (in review)
Acer saccharum var. floridanum (Chapm.) Small & Heller	Synonym		WCSP (in review)
Acer saccharum subsp. floridanum (Chapm.) Desmarais	Accepted		WCSP (in review)
Acer saccharum f. glabratum Pax	Synonym		WCSP (in review)
Acer saccharum f. glaucum (Schmidt) Pax	Synonym		WCSP (in review)
Acer saccharum var. glaucum (Schmidt) Sarg.	Synonym		WCSP (in review)
Acer saccharum var. glaucum Pax	Synonym		WCSP (in review)
Acer saccharum var. grandidentatum (Nutt.) Sudw.	Synonym		WCSP (in review)
Acer saccharum subsp. grandidentatum (Torr. & A.Gray) Desmarais	Accepted		WCSP (in review)
Acer saccharum f. hispidum (Schwer.) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum f. integrilobum Pax	Synonym		WCSP (in review)
Acer saccharum var. leucoderme (Small) Sudw.	Synonym		WCSP (in review)
Acer saccharum subsp. leucoderme (Small) Desmarais	Accepted		WCSP (in review)
Acer saccharum var. longii (Fernald) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. nigrum (F.Michx.) Britton	Synonym		WCSP (in review)
Acer saccharum subsp. nigrum (F.Michx.) Desmarais	Accepted		WCSP (in review)
Acer saccharum var. palmeri (Sarg.) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. pseudoplatanoides Pax	Synonym		WCSP (in review)
Acer saccharum f. pubescens Pax	Synonym		WCSP (in review)
Acer saccharum var. quinquelobulatum A.E.Murray	Synonym		WCSP (in review)
Acer saccharum f. rubrocarpum A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. rugelii (Pax) Rehder	Accepted		WCSP (in review)
Acer saccharum f. rugelii (Pax) E.J.Palmer & Steyerm.	Synonym		WCSP (in review)
Acer saccharum var. schneckii Rehder	Accepted		WCSP (in review)
Acer saccharum f. schneckii (Rehder) Deam	Synonym		WCSP (in review)
Acer saccharum subsp. schneckii (Rehder) Desmarais	Synonym		WCSP (in review)
Acer saccharum var. sinuosum (Rehder) Sarg.	Accepted		WCSP (in review)
Acer saccharum subsp. skutchii (Rehder) A.E.Murray	Accepted		WCSP (in review)
Acer saccharum f. subvestitum (Vict. & Roll.-Germ.) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum var. trilobum A.E.Murray	Synonym		WCSP (in review)
Acer saccharum f. truncatum Pax	Synonym		WCSP (in review)
Acer saccharum f. villipes (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer saccharum f. villosum Pax	Synonym		WCSP (in review)
Acer saccharum var. viride (Schmidt) A.E.Murray	Synonym		WCSP (in review)
Acer saira K.Koch	Synonym		WCSP (in review)
Acer salweenense W.W.Sm.	Accepted		WCSP (in review)
Acer sanguineum Spach	Synonym		WCSP (in review)
Acer sanguineum Carrière [Illegitimate]	Synonym		WCSP (in review)
Acer schneiderianum Pax & K.Hoffm.	Accepted		WCSP (in review)
Acer schneiderianum var. pubescens W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer schoenermarkiae Pax	Synonym		WCSP (in review)
Acer schoenermarkiae var. oxycolpum Hand.-Mazz.	Synonym		TRO
Acer schwedleri K.Koch	Synonym		WCSP (in review)
Acer × schwerinii Pax	Accepted		WCSP (in review)
Acer semenovii Regel & Herder	Synonym		WCSP (in review)
Acer semiorbiculatum Pax	Synonym		WCSP (in review)
Acer sempervirens L.	Accepted		WCSP (in review)
Acer × senecaense Slavin [Unplaced]	Unresolved		WCSP (in review)
Acer septemlobum Thunb.	Synonym		WCSP
Acer septemlobum Thunb.	Synonym		WCSP (in review)
Acer serotinum Kit. [Unplaced]	Unresolved		WCSP (in review)
Acer serratum Pax	Synonym		TRO
Acer serrulatum Hayata	Synonym		WCSP (in review)
Acer sessilifolium Siebold & Zucc.	Synonym		WCSP (in review)
Acer shangszeense W.P.Fang & Soong	Accepted		WCSP (in review)
Acer shangszeense var. anfuense W.P.Fang & Soong	Synonym		WCSP (in review)
Acer shenkanense W.P.Fang ex C.C.Fu	Accepted		WCSP (in review)
Acer shensiense W.P.Fang & L.C.Hu	Accepted		WCSP (in review)
Acer shibatai Nakai	Synonym		WCSP (in review)
Acer shihweii F.Chun & W.P.Fang	Accepted		WCSP (in review)
Acer shirasawanum Koidz.	Accepted		WCSP (in review)
Acer shirasawanum f. aureum (Siesmayer) Delendick	Synonym		WCSP (in review)
Acer shirasawanum var. tenuifolium Koidz.	Synonym		WCSP (in review)
Acer sichourense (W.P.Fang & M.Y.Fang) W.P.Fang	Accepted		WCSP (in review)
Acer sieboldianum Miq.	Accepted		WCSP (in review)
Acer sieboldianum f. dissectum Baba ex T.Shimizu	Synonym		WCSP (in review)
Acer sieboldianum var. mandshuricum Maxim.	Synonym		TRO
Acer sieboldianum var. microphyllum Maxim.	Synonym		WCSP (in review)
Acer sieboldianum f. microphyllum (Maxim.) H.Hara	Synonym		WCSP (in review)
Acer sieboldianum var. tsushimense Maxim.	Synonym		WCSP (in review)
Acer sieboldianum var. yezoense Miyabe & Tatew.	Synonym		WCSP (in review)
Acer sikkimense Miq.	Accepted		WCSP (in review)
Acer sikkimense subsp. davidii (Franch.) Wesm.	Synonym		TRO
Acer sikkimense subsp. hookeri (Miq.) Wesm.	Synonym		TRO
Acer sikkimense subsp. metcalfii (Rehder) P.C.DeJong	Accepted		WCSP (in review)
Acer sikkimense f. rufinerve A.E.Murray	Synonym		WCSP (in review)
Acer sikkimense var. serrulatum Pax	Synonym		WCSP (in review)
Acer sikkimense f. serrulatum (Pax) Schwer.	Synonym		WCSP (in review)
Acer sikkimense f. subintegrum Schwer.	Synonym		WCSP (in review)
Acer sikkimense var. subintegrum Schwer.	Synonym		TRO
Acer sinense Pax	Synonym		WCSP (in review)
Acer sinense var. brevilobum W.P.Fang	Synonym		WCSP (in review)
Acer sinense subsp. chekiangense (W.P. Fang) A.E. Murray	Synonym		TRO
Acer sinense subsp. chingii (Hu) A.E.Murray	Synonym		WCSP (in review)
Acer sinense var. concolor Pax	Synonym		WCSP (in review)
Acer sinense var. iarophifolium Diels	Synonym		WCSP (in review)
Acer sinense var. kwangtungense Chun	Synonym		TRO
Acer sinense var. longilobum W.P.Fang	Synonym		WCSP (in review)
Acer sinense var. microcarpum Metcalf	Synonym		WCSP (in review)
Acer sinense var. microcarpum F.P. Metcalf	Synonym		TRO
Acer sinense var. pubinerve (Rehder) W.P. Fang	Synonym		TRO
Acer sinense var. undulatum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer sino-oblongum Metcalf	Accepted		WCSP (in review)
Acer sinopurpurascens W.C.Cheng	Accepted		WCSP (in review)
Acer sinuosum Rehder	Synonym		WCSP (in review)
Acer skutchii Rehder	Synonym		WCSP (in review)
Acer sosnowskyi Doluch.	Unresolved		TRO
Acer speciosum Vogel [Unplaced]	Unresolved		WCSP (in review)
Acer spicatum Lam.	Accepted		WCSP (in review)
Acer spicatum f. roseocarpum A.E.Murray	Synonym		WCSP (in review)
Acer spicatum f. rugosum Schwer.	Synonym		WCSP (in review)
Acer spicatum subsp. ukurunduense (Trautv. & C.A.Mey.) Pax	Synonym		WCSP (in review)
Acer spicatum var. ukurunduense (Trautv. & C.A.Mey.) Maxim.	Synonym		WCSP (in review)
Acer spicatum f. ukurunduense (Trautv. & C.A.Mey.) Schwer.	Synonym		WCSP (in review)
Acer spicatum var. ussuriense Budishchev	Synonym		TRO
Acer splendens Dippel	Synonym		WCSP (in review)
Acer stachyanthum Franch. ex W.P.Fang	Synonym		WCSP (in review)
Acer stachyophyllum Hiern	Accepted		WCSP (in review)
Acer stachyophyllum subsp. betulifolium (Maxim.) P.C.DeJong	Accepted		WCSP (in review)
Acer stachyophyllum var. pentaneurum (W.P.Fang & W.K.Hu) W.P.Fang	Synonym		WCSP (in review)
Acer stachyophyllum subsp. stachyophyllum	Accepted		TRO
Acer stellatum Greene	Synonym		WCSP (in review)
Acer stenobotrys Franch. ex W.P.Fang	Synonym		WCSP (in review)
Acer stenocarpum Britton [Unplaced]	Unresolved		WCSP (in review)
Acer stenolobum Rehder	Synonym		WCSP (in review)
Acer stenolobum var. megalophyllum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer stenolobum var. monochladea S.C.Cui & J.X.Yu	Synonym		WCSP (in review)
Acer stenolobum var. pubescens W.Z.Di	Synonym		WCSP (in review)
Acer sterculiaceum Wall.	Accepted		WCSP (in review)
Acer sterculiaceum K. Koch	Synonym		TRO
Acer sterculiaceum subsp. franchetii (Pax) E.Murray	Accepted		WCSP (in review)
Acer sterculiaceum subsp. franchetii (Pax) A.E. Murray	Synonym		TRO
Acer sterculiaceum subsp. sterculiaceum	Accepted		TRO
Acer sterculiaceum subsp. thomsonii (Miq.) E.Murray	Accepted		WCSP (in review)
Acer sterculiaceum subsp. thomsonii (Miq.) A.E. Murray	Synonym		TRO
Acer sterculiaceum var. tomentosum A.E.Murray	Synonym		WCSP (in review)
Acer stevenii Pojark.	Synonym		WCSP (in review)
Acer striatum Du Roi	Synonym		WCSP (in review)
Acer suberosum Dumort.	Synonym		WCSP (in review)
Acer subglaucum Bush	Synonym		WCSP (in review)
Acer subglaucum var. rugelii (Pax) Bush	Synonym		WCSP (in review)
Acer subglaucum var. schenckii (Rehder) Bush	Synonym		WCSP (in review)
Acer subglaucum var. sinuosum Bush	Synonym		WCSP (in review)
Acer subintegrum Pojark.	Synonym		WCSP (in review)
Acer subobtusum Simonk. [Unplaced]	Unresolved		WCSP (in review)
Acer subserratum Greene	Synonym		WCSP (in review)
Acer subtrilobum (K.Koch) Koidz.	Synonym		WCSP (in review)
Acer subtrinervium Metcalf	Synonym		WCSP (in review)
Acer sunyiense W.P.Fang	Synonym		WCSP (in review)
Acer sutchuenense Franch.	Accepted		WCSP (in review)
Acer sutchuenense subsp. tienchuanense (W.P.Fang & Soong) W.P.Fang	Synonym		WCSP (in review)
Acer sycopseoides Chun	Accepted		WCSP (in review)
Acer sylvestre Wender.	Synonym		WCSP (in review)
Acer syriacum Boiss. & Gaill.	Synonym		WCSP (in review)
Acer syriacum var. cyprium Boiss.	Synonym		WCSP (in review)
Acer syriacum f. cyprium (Boiss.) Schwer.	Synonym		WCSP (in review)
Acer syriacum var. hermoneum Bornm.	Synonym		WCSP (in review)
Acer taipuense W.P.Fang	Accepted		WCSP (in review)
Acer taiton-montanum Hayata	Synonym		WCSP (in review)
Acer taiwanense Yamam. [Unplaced]	Unresolved		WCSP (in review)
Acer takesimense Nakai	Synonym		WCSP (in review)
Acer talyschense Radde-Fom.	Synonym		WCSP (in review)
Acer taronense Hand.-Mazz.	Synonym		WCSP (in review)
Acer tataricum L.	Accepted		WCSP (in review)
Acer tataricum var. acuminatum Franch.	Synonym		TRO
Acer tataricum f. acutipterum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum var. aidzuense Franch.	Synonym		WCSP (in review)
Acer tataricum subsp. aidzuense (Franch.) P.C.DeJong	Accepted		WCSP (in review)
Acer tataricum f. crispatum (Pax) Schwer.	Synonym		WCSP (in review)
Acer tataricum var. crispatum Pax	Synonym		WCSP (in review)
Acer tataricum f. crispum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum f. cruciatum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum subsp. ginnala (Maxim.) Wesm.	Accepted		WCSP (in review)
Acer tataricum var. ginnala (Maxim.) Maxim.	Synonym		TRO
Acer tataricum var. hebecarpum Schwer.	Synonym		WCSP (in review)
Acer tataricum var. incumbens Pax	Synonym		WCSP (in review)
Acer tataricum f. incumbens (Pax) Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum var. laciniatum Regel	Synonym		TRO
Acer tataricum f. latialatum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum f. nanum Dippel	Synonym		WCSP (in review)
Acer tataricum f. oblongifolium Racib.	Synonym		WCSP (in review)
Acer tataricum f. orbiculatum Schwer.	Synonym		WCSP (in review)
Acer tataricum f. platypterum Jovan.-Dunj.	Synonym		WCSP (in review)
Acer tataricum f. rotundifolium Racib.	Synonym		WCSP (in review)
Acer tataricum f. rubrum Schwer.	Synonym		WCSP (in review)
Acer tataricum var. semenovii (Regel & Herder) G.Nicholson	Synonym		WCSP (in review)
Acer tataricum subsp. semenovii (Regel & Herder) A.E.Murray	Accepted		WCSP (in review)
Acer tataricum var. semenovii (Regel & Herder) Regel	Synonym		TRO
Acer tataricum var. semenovii (Regel & Herder) Wesm.	Synonym		TRO
Acer tataricum var. slendzinskii Racib.	Synonym		WCSP (in review)
Acer tataricum subsp. theiferum (W.P.Fang) Y.S.Chen & P.C.de Jong	Accepted		WCSP (in review)
Acer tataricum var. torminaloides Pax	Synonym		WCSP (in review)
Acer tataricum subsp. torminaloides (Pax) A.E.Murray	Synonym		WCSP (in review)
Acer tataricum f. torminaloides (Pax) Schwer.	Synonym		WCSP (in review)
Acer tauricolum Boiss. & Balansa	Synonym		WCSP (in review)
Acer tauricum Dippel	Synonym		WCSP (in review)
Acer tauschianum Opiz	Synonym		WCSP (in review)
Acer tegmentosum Maxim.	Accepted		WCSP (in review)
Acer tegmentosum subsp. glaucorufinerve A.E.Murray	Synonym		WCSP (in review)
Acer tegmentosum subsp. grosseri (Pax) E.Murray	Synonym		WCSP (in review)
Acer tegmentosum subsp. grosseri (Pax) A.E. Murray	Synonym		TRO
Acer tegmentosum var. hersii (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer tegmentosum subsp. hersii (Rehder) A.E.Murray	Synonym		WCSP (in review)
Acer tegmentosum var. pavolinii (Pamp.) A.E.Murray	Synonym		WCSP (in review)
Acer tegmentosum subsp. rufinerve A.E.Murray	Synonym		WCSP (in review)
Acer tegmentosum f. rufinerve A.E.Murray	Synonym		WCSP (in review)
Acer tenellum Pax	Accepted		WCSP (in review)
Acer tenellum var. septemlobum (W.P.Fang & Soong) W.P.Fang & Soong	Synonym		WCSP (in review)
Acer tenuifolium (Koidz.) Koidz.	Synonym		WCSP (in review)
Acer ternatum Moç. & Sessé ex DC.	Synonym		WCSP (in review)
Acer tetramerum Pax	Synonym		WCSP (in review)
Acer tetramerum var. betulifolium (Maxim.) Rehder	Synonym		TRO
Acer tetramerum var. dolichurum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer tetramerum var. haopingense W.P. Fang	Synonym		TRO
Acer tetramerum f. latialatum Rehder	Synonym		TRO
Acer tetramerum var. lobulatum Rehder	Synonym		TRO
Acer tetramerum f. longeracemosum Rehder	Synonym		TRO
Acer tetramerum f. mapienense W.P. Fang	Synonym		TRO
Acer tetramerum var. tiliifolium Rehder	Synonym		TRO
Acer theiferum W.P.Fang	Synonym		WCSP (in review)
Acer thomsonii Miq.	Synonym		WCSP (in review)
Acer thomsonii subsp. catalpifolium A.E.Murray	Synonym		WCSP (in review)
Acer tibetense W.P.Fang	Accepted		WCSP (in review)
Acer tienchuanense W.P.Fang & Soong	Synonym		WCSP (in review)
Acer tientaiense (C.K. Schneid.) Pojark.	Synonym		TRO
Acer tomentosum Desf.	Synonym		WCSP (in review)
Acer tomentosum Kit. [Illegitimate]	Synonym		WCSP (in review)
Acer tomentosum Dulac [Illegitimate]	Synonym		WCSP (in review)
Acer tonkinense Lecomte	Accepted		WCSP (in review)
Acer tonkinense subsp. fenzelianum (Hand.-Mazz.) A.E. Murray	Synonym		TRO
Acer tonkinense subsp. liquidambarifolium (Hu & W.C.Cheng) W.P.Fang	Accepted		WCSP (in review)
Acer torreyi Greene	Synonym		WCSP (in review)
Acer trattinnikii Pohl	Synonym		WCSP (in review)
Acer trautvetteri Medw.	Synonym		WCSP (in review)
Acer trautvetteri f. erythrocarpum Schwer.	Synonym		WCSP (in review)
Acer treleaseanum Bush	Synonym		WCSP (in review)
Acer trialatum L.L.Deng, K.Y.Wei & G.S.Fan	Accepted		WCSP (in review)
Acer tricaudatum W.P.Fang & C.C.Fu	Accepted		WCSP (in review)
Acer tricuspifolium Stokes	Synonym		WCSP (in review)
Acer trifidum Thunb.	Synonym		WCSP
Acer trifidum Thunb.	Unresolved		WCSP (in review)
Acer trifidum Hook. & Arn. [Illegitimate]	Synonym		WCSP (in review)
Acer trifidum f. buergerianum (Miq.)	Synonym		WCSP (in review)
Acer trifidum f. elobatum Kuntze ex Schwer.	Synonym		WCSP (in review)
Acer trifidum var. formosanum Hayata ex Koidz.	Synonym		WCSP (in review)
Acer trifidum var. formosanum Hayata ex H. Lév.	Synonym		TRO
Acer trifidum var. integrifolium Makino	Synonym		WCSP (in review)
Acer trifidum var. kaiscianensis Pamp.	Synonym		TRO
Acer trifidum var. ningpoense Hance	Synonym		WCSP (in review)
Acer trifidum f. ningpoense (Hance) Schwer.	Synonym		WCSP (in review)
Acer triflorum Kom.	Accepted		WCSP (in review)
Acer triflorum var. leiopodum Hand.-Mazz.	Synonym		WCSP (in review)
Acer triflorum subsp. leiopodum (Hand.-Mazz.) A.E.Murray	Synonym		WCSP (in review)
Acer triflorum var. subcoriacea Kom.	Synonym		WCSP (in review)
Acer triflorum f. subcoriacea (Kom.) S.L.Tung	Synonym		WCSP (in review)
Acer triflorum var. subcoriaceum Kom.	Synonym		TRO
Acer trifoliatum Raf.	Synonym		WCSP (in review)
Acer trifolium Duhamel	Synonym		WCSP (in review)
Acer trilobatum Lam.	Synonym		WCSP (in review)
Acer trilobum Gilib. [Invalid]	Synonym		WCSP (in review)
Acer trilobum Moench	Synonym		WCSP (in review)
Acer trinerve Siesmayer	Synonym		WCSP (in review)
Acer tripartitum Nutt.	Synonym		WCSP (in review)
Acer truncatum Bunge	Accepted		WCSP (in review)
Acer truncatum var. acuminatum X.M. Liu	Synonym		TRO
Acer truncatum f. barbinerve Schwer.	Synonym		WCSP (in review)
Acer truncatum var. beipiao S.L.Tung	Synonym		WCSP (in review)
Acer truncatum f. cordatum L.S.Tung	Synonym		WCSP (in review)
Acer truncatum subsp. mono (Maxim.) A.E. Murray	Synonym		TRO
Acer truncatum var. nudum Schwer.	Synonym		TRO
Acer tschonoskii Maxim.	Accepted		WCSP (in review)
Acer tschonoskii var. australe Momot.	Synonym		WCSP (in review)
Acer tschonoskii subsp. australe (Momot.) Kitam. & Murata	Synonym		WCSP (in review)
Acer tschonoskii subsp. koreanum A.E.Murray	Accepted		WCSP (in review)
Acer tschonoskii var. rubripes Kom.	Synonym		TRO
Acer tsinglingense W.P.Fang & C.C.Hsieh	Synonym		WCSP (in review)
Acer turcomanicum Pojark. ex Cerniak.	Synonym		WCSP (in review)
Acer turcomanicum Pojark.	Accepted		TRO
Acer turkestanicum Pax	Synonym		WCSP (in review)
Acer tutcheri Duthie	Accepted		WCSP (in review)
Acer tutcheri subsp. angustilobum A.E.Murray	Synonym		WCSP (in review)
Acer tutcheri subsp. confertifolium (Merr. & Metc.) A.E.Murray	Synonym		WCSP (in review)
Acer tutcheri subsp. formosanum A.E.Murray	Accepted		WCSP (in review)
Acer tutcheri var. serratifolium W.P.Fang	Synonym		WCSP (in review)
Acer tutcheri var. shimadai Hayata	Synonym		WCSP (in review)
Acer tutcheri var. tutcheri	Accepted		TRO
Acer ukurunduense Trautv. & C.A.Mey.	Synonym		WCSP (in review)
Acer undulatum Pojark.	Accepted		WCSP (in review)
Acer urophyllum Maxim.	Synonym		WCSP (in review)
Acer van-volxemii Mast.	Synonym		WCSP (in review)
Acer × varbossanium Simonk. [Unplaced]	Unresolved		WCSP (in review)
Acer velutinum Boiss.	Accepted		WCSP (in review)
Acer velutinum Pax [Illegitimate]	Synonym		WCSP (in review)
Acer velutinum f. glabrescens (Boiss. & Buhse) Rehder	Synonym		WCSP (in review)
Acer velutinum var. glabrescens (Boiss. & Buhse) E.Murray	Synonym		WCSP (in review)
Acer velutinum var. van-volxemii (Mast.) Rehder	Synonym		WCSP (in review)
Acer × verhaegheanum Geerinck	Unresolved		WCSP (in review)
Acer villosum C.Presl	Synonym		WCSP (in review)
Acer villosum Wall. [Illegitimate]	Synonym		WCSP (in review)
Acer villosum f. sterculiaceum (Wall.) Schwer.	Synonym		TRO
Acer villosum var. thomsonii (Miq.) Hiern	Synonym		TRO
Acer violaceum (Booth ex G.Kirchn.) Simonk.	Synonym		WCSP (in review)
Acer virens Thunb. [Unplaced]	Unresolved		WCSP (in review)
Acer virgatum Raf.	Synonym		WCSP (in review)
Acer virginianum Mill. ex Steud.	Synonym		WCSP (in review)
Acer visianii Nyman	Synonym		WCSP (in review)
Acer vitifolium Opiz ex Tausch.	Synonym		WCSP (in review)
Acer wagneri Wesm.	Synonym		WCSP (in review)
Acer wangchii W.P.Fang	Accepted		WCSP (in review)
Acer wangchii subsp. tsinyunense W.P.Fang	Synonym		WCSP (in review)
Acer wardii W.W.Sm.	Accepted		WCSP (in review)
Acer willkommii Wettst.	Synonym		WCSP (in review)
Acer wilsonii Rehder	Synonym		WCSP (in review)
Acer wilsonii subsp. burmense A.E.Murray	Synonym		WCSP (in review)
Acer wilsonii var. chekiangense W.P.Fang	Synonym		WCSP (in review)
Acer wilsonii var. kwangtungense (Chun) W.P.Fang	Synonym		WCSP (in review)
Acer wilsonii var. longicaudatum (W.P.Fang) W.P.Fang	Synonym		WCSP (in review)
Acer wilsonii var. obtusum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer wilsonii var. serrulatum Dunn	Synonym		WCSP (in review)
Acer wondracekii Opiz	Synonym		WCSP (in review)
Acer worleei Dippel	Synonym		WCSP (in review)
Acer wuyishanicum W.P.Fang & C.M.Tan	Accepted		WCSP (in review)
Acer wuyuanense W.P.Fang & Y.T.Wu	Accepted		WCSP (in review)
Acer wuyuanense var. trichopodum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer xerophilum Butkov	Synonym		WCSP (in review)
Acer yangbiense Y.S.Chen & Q.E.Yang	Accepted		WCSP (in review)
Acer yangjuechi W.P.Fang & P.L.Chiu	Synonym		WCSP (in review)
Acer yaoshanicum W.P.Fang	Accepted		WCSP (in review)
Acer yinkunii W.P.Fang	Accepted		WCSP (in review)
Acer yui W.P.Fang	Accepted		WCSP (in review)
Acer yui var. leptocarpum W.P.Fang & Y.T.Wu	Synonym		WCSP (in review)
Acer zhongtianoense W.P. Fang & B.L. Li	Synonym		TRO
Acer × zoeschense Pax	Unresolved		WCSP (in review)
Acer × zoeschense f. elongatum (Schwer.) Rehder	Synonym		WCSP (in review)