The Plant List — A working list for all plant species

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973 plant name records match your search criteria Betula. The results are below.

The names found have these generic epithets:

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

Name Status Confi­dence level Source Date supplied
Betula abolinii Sukaczev [Invalid] Synonym H WCSP
Betula acuminata Kindb. [Illegitimate] Synonym H WCSP
Betula acuminata Wall. [Illegitimate] Synonym H WCSP
Betula acuminata Ehrh. Synonym H WCSP
Betula acuminata var. argula Regel Synonym L TRO
Betula acuminata var. arguta Regel Synonym L WCSP
Betula acuminata var. cylindrostachya (Lindl. ex Wall.) Regel Synonym L WCSP
Betula acuminata var. glabra Regel Synonym L WCSP
Betula acuminata var. lancifolia Regel Synonym L WCSP
Betula acuminata var. pilosa Regel Synonym L WCSP
Betula acuminata var. pyrifolia Franch. Synonym L WCSP
Betula acuminatifolia V.N.Vassil. Synonym H WCSP
Betula adasii T.V.Egorova & Sipliv. Synonym H WCSP
Betula aetnensis Raf. ex J.Presl & C.Presl [Spelling variant] Synonym H WCSP
Betula affinis (Spach) Endl. Synonym H WCSP
Betula aischatiae E.S.Husseinov Synonym H WCSP
Betula ajanensis Kom. Synonym H WCSP
Betula alajica Litv. Accepted H WCSP
Betula alaskana Sarg. [Illegitimate] Synonym H WCSP
Betula alatavica Musch. Synonym H WCSP
Betula alatavica Muscheg. Synonym M TRO
Betula alba L. Synonym H WCSP
Betula alba var. aetherea Wallr. Synonym L WCSP
Betula alba subsp. arborescens Wallr. Synonym L WCSP
Betula alba var. arbuscula Fr. Synonym L WCSP
Betula alba var. atropurpurea Dippel Synonym L WCSP
Betula alba var. bircalensis (Mela) Mela Synonym L WCSP
Betula alba var. camtschatica Regel Synonym L WCSP
Betula alba var. carelica Merckl. Synonym L WCSP
Betula alba var. carelica Merklein Synonym L TRO
Betula alba var. carpatica (Waldst. & Kit. ex Willd.) Regel Synonym L WCSP
Betula alba var. communis Shirai Synonym L WCSP
Betula alba var. commutata Regel Synonym L WCSP
Betula alba var. cordifolia (Regel) Regel Synonym L WCSP
Betula alba var. cordifolia (Regel) Fernald Synonym L TRO
Betula alba f. dalecarlica (L.f.) Regel Synonym L WCSP
Betula alba var. dalecarlica L.f. Synonym L WCSP
Betula alba var. elobata Fernald Synonym L WCSP
Betula alba subsp. excelsa (Aiton) Regel Synonym L WCSP
Betula alba var. fastigiata Clemenc. Synonym L WCSP
Betula alba var. friesii Regel Synonym L WCSP
Betula alba var. glabrata (Wahlenb.) Muñoz Garm. & Pedrol Synonym L WCSP
Betula alba subsp. glutinosa (Trautv. ex Regel) Holub Synonym L WCSP
Betula alba var. glutinosa Trautv. ex Regel Synonym L WCSP
Betula alba var. hornemannii Regel Synonym L WCSP
Betula alba f. hornemannii (Regel) Regel Synonym L WCSP
Betula alba var. humilis Regel Synonym L WCSP
Betula alba var. intermedia (Hartm.) Wahlenb. Unresolved L WCSP
Betula alba var. japonica Miq. Synonym L WCSP
Betula alba var. kamtschatica Regel Synonym L WCSP
Betula alba f. laciniata (de Vos) Dippel Synonym L WCSP
Betula alba subsp. latifolia (Tausch) Regel Synonym L WCSP
Betula alba f. lobata Regel Synonym L WCSP
Betula alba var. lobulata C.Andersson Synonym L WCSP
Betula alba var. lupulina Wallr. Synonym L WCSP
Betula alba var. macrocarpa Willd. Synonym L WCSP
Betula alba subsp. mandshurica Regel Synonym L WCSP
Betula alba var. mandshurica (Regel) Franch. Synonym L WCSP
Betula alba var. microphylla Wallr. Synonym L WCSP
Betula alba var. microphylla Regel Synonym L TRO
Betula alba var. microphylla Wimm. Synonym L TRO
Betula alba var. minor (Tuck.) Fernald Synonym L WCSP
Betula alba f. occidentalis (Hook.) Fernald Synonym L WCSP
Betula alba subsp. occidentalis (Hook.) Regel Synonym L WCSP
Betula alba subsp. odorata (Bechst.) Dippel Synonym L WCSP
Betula alba var. ovata Neilr. Synonym L WCSP
Betula alba var. oycowiensis (Besser) Regel Synonym L WCSP
Betula alba var. papyrifera (Marshall) Spach Synonym L WCSP
Betula alba subsp. papyrifera (Marshall) Regel Synonym L WCSP
Betula alba var. parvifolia (Regel) Regel Synonym L WCSP
Betula alba var. pendula (Roth) W.T.Aiton Synonym L WCSP
Betula alba var. pontica P.Watson Synonym L WCSP
Betula alba var. populifolia (Marshall) Spach Synonym L WCSP
Betula alba subsp. populifolia (Marshall) Regel Synonym L WCSP
Betula alba var. pubescens (Ehrh.) Spach Synonym L WCSP
Betula alba subsp. pubescens (Ehrh.) Regel Synonym L WCSP
Betula alba var. pumila L. Synonym L WCSP
Betula alba var. resinifera Regel Synonym L WCSP
Betula alba var. rhombifolia (Tausch) Regel Synonym L WCSP
Betula alba f. rhombifolia (Tausch) Regel Synonym L WCSP
Betula alba var. schugnanica B.Fedtsch. Synonym L WCSP
Betula alba var. songarica Dippel Synonym L WCSP
Betula alba var. tauschii Regel Synonym L WCSP
Betula alba subsp. tauschii Regel Synonym L TRO
Betula alba subsp. tortuosa (Ledeb.) Regel Synonym L WCSP
Betula alba var. urticifolia Spach Synonym L WCSP
Betula alba var. verrucosa (Ehrh.) Wallr. Synonym L WCSP
Betula alba subsp. verrucosa (Ehrh.) Regel Synonym L WCSP
Betula alba var. vulgaris Aiton Synonym L WCSP
Betula albosinensis Burkill Accepted H WCSP
Betula albosinensis var. septentrionalis C.K.Schneid. Synonym L WCSP
Betula alleghaniensis Britton Accepted H WCSP
Betula alleghaniensis var. fallax (Fassett) Brayshaw Synonym L WCSP
Betula alleghaniensis f. macrolepis (Fernald) Brayshaw Synonym L WCSP
Betula alleghaniensis var. macrolepis (Fernald) Brayshaw Synonym L WCSP
Betula alnobetula Ehrh. Synonym H WCSP
Betula alnoides Buch.-Ham. ex D.Don Accepted H WCSP
Betula alnoides var. acuminata (Spach) H.J.P.Winkl. Synonym L WCSP
Betula alnoides var. cylindrostachya (Lindl. ex Wall.) H.J.P.Winkl. Synonym L WCSP
Betula alnoides var. pyrifolia (Franch.) Burkill Synonym L WCSP
Betula alnus L. Synonym H WCSP
Betula alnus var. crispa (Aiton) Michx. Synonym L WCSP
Betula alnus var. glutinosa L. Synonym L WCSP
Betula alnus var. incana L. Synonym L WCSP
Betula alnus var. laciniata Aiton Synonym L WCSP
Betula alnus var. rugosa Du Roi Synonym L WCSP
Betula alnus var. serrulata (Aiton) Michx. Synonym L WCSP
Betula alnus-crispa Steud. Synonym H WCSP
Betula × alpestris Fr. Accepted H WCSP
Betula × alpina Kindb. [Illegitimate] Unresolved L WCSP
Betula alpina Borkh. ex Theorin Synonym H WCSP
Betula ambigua Hampe ex Rchb. Synonym H WCSP
Betula americana Buc'hoz [Invalid] Synonym H WCSP
Betula andreji V.N.Vassil. Synonym H WCSP
Betula × andrewsii A.Nelson Synonym H WCSP
Betula andrewsii A. Nelson Synonym L TRO
Betula angulata Steud. Unresolved L TRO
Betula antarctica G.Forst. Synonym H WCSP
Betula apoiensis Nakai ex H.Hara Accepted H WCSP
Betula × arbuscula Dugle Synonym H WCSP
Betula arguta Schltdl. Synonym H WCSP
Betula × aschersoniana Hayek [Unplaced] Unresolved L WCSP
Betula ashburneri McAll. & Rushforth Accepted H WCSP
Betula asplenifolia Regel Synonym H WCSP
Betula × atrata Domin Synonym H WCSP
Betula × aurata Borkh. Accepted H WCSP
Betula × aurata var. rhombifolia (Tausch) Tzvelev Synonym L WCSP
Betula aurea Steud. Synonym H WCSP
Betula austrosichotensis V.N.Vassil. & V.I.Baranov Accepted H WCSP
Betula austrosinensis Chun ex P.C.Li Synonym H WCSP
Betula × avatshensis Kom. Accepted H WCSP
Betula baeumkeri H.J.P.Winkl. Synonym H WCSP
Betula baicalensis Sukaczev Synonym H WCSP
Betula × baicalensis Sukaczev Unresolved L TRO
Betula baicalia V.N.Vassil. Synonym H WCSP
Betula baranovii Sukaczev Synonym H WCSP
Betula barguzinensis Popov [Illegitimate] Synonym H WCSP
Betula baschkirica Tzvelev Accepted H WCSP
Betula beeniana A.Nelson Synonym H WCSP
Betula bhojpattra Lindl. ex Wall. Synonym H WCSP
Betula bhojpattra var. glandulifera Regel Synonym L WCSP
Betula bhojpattra var. jacquemontii (Spach) Regel Synonym L WCSP
Betula bhojpattra var. japonica Shirai Synonym L WCSP
Betula bhojpattra var. latifolia Regel Synonym L WCSP
Betula bhojpattra var. sinensis Franch. Synonym L WCSP
Betula bhojpattra var. subcordata Regel Synonym L WCSP
Betula bomiensis P.C.Li Accepted H WCSP
Betula borealis Spach Synonym H WCSP
Betula borealis Auth. Synonym M TRO
Betula × borggreveana Zabel ex H.J.P.Winkl. [Unplaced] Unresolved L WCSP
Betula borggreveana Zabel ex H. Winkl. Unresolved L TRO
Betula bornmuelleri V.N.Vassil. Synonym H WCSP
Betula borysthenica Klokov Synonym H WCSP
Betula × bottnica Mela Accepted H WCSP
Betula brachylepis V.N.Vassil. Synonym H WCSP
Betula broccembergensis Bechst. Synonym H WCSP
Betula browicziana Güner Accepted H WCSP
Betula bucharica V.N.Vassil. Synonym H WCSP
Betula × caerulea Blanch. Accepted H WCSP
Betula × caerulea var. blanchardii Sarg. Synonym L WCSP
Betula × caerulea var. cunninghamii B.Boivin Synonym L WCSP
Betula × caerulea var. grandis Blanch. Synonym L WCSP
Betula × caerulea-grandis Blanch. Synonym H WCSP
Betula cajanderi Sukaczev Synonym H WCSP
Betula cajanderi f. fruticans Kozhevn. Synonym L WCSP
Betula cajanderi subsp. minutifolia Kozhevn. Synonym L WCSP
Betula calcicola (W.W.Sm.) P.C.Li Accepted H WCSP
Betula callosa Notø Synonym H WCSP
Betula callosa Lindq. Accepted M TRO
Betula camtschatica Regel Unresolved L TRO
Betula canadensis K.Koch Synonym H WCSP
Betula candelae Koidz. Synonym H WCSP
Betula carelica Merk. Unresolved L TRO
Betula carpatica Waldst. & Kit. ex Willd. Synonym H WCSP
Betula carpatica f. duplicatoserrata Kindb. Synonym L WCSP
Betula carpatica var. hercynica Rchb. Synonym L WCSP
Betula carpatica var. sudetica Rchb. Synonym L WCSP
Betula carpinifolia Siebold & Zucc. [Illegitimate] Synonym H WCSP
Betula carpinifolia Ehrh. Synonym H WCSP
Betula castanae Buch.-Ham. ex Hook.f. Synonym H WCSP
Betula caucasica Litv. ex Leskov [Invalid] Synonym H WCSP
Betula celtiberica Rothm. & Vasc. Synonym H WCSP
Betula ceratoptera G.H.Liu & Y.C.Ma Accepted H WCSP
Betula chichibuensis H.Hara Accepted H WCSP
Betula chinensis Maxim. Accepted H WCSP
Betula chinensis var. angusticarpa H.J.P.Winkl. Synonym L WCSP
Betula chinensis var. chinensis Synonym L TRO
Betula chinensis var. delavayi (Franch.) C.K.Schneid. Synonym L WCSP
Betula chinensis var. fargesii (Franch.) P.C.Li Synonym L WCSP
Betula chinensis f. linearisquama Hatus. Synonym L WCSP
Betula chinensis var. linearisquama (Hatus.) S.L.Tung Synonym L WCSP
Betula chinensis var. nana Liou [Invalid] Synonym L WCSP
Betula chinensis f. nana (Liou) Kitag. Synonym L WCSP
Betula chitralica Browicz Accepted H WCSP
Betula ciliata Steud. Unresolved L WCSP
Betula collina Nakai [Unplaced] Unresolved L WCSP
Betula × commixta Sarg. Synonym H WCSP
Betula concinna Gunnarsson Synonym H WCSP
Betula × conmixta Sarg. Synonym L TRO
Betula cordata Loisel. Synonym H WCSP
Betula cordifolia Regel Synonym H WCSP
Betula coriacea Pamp. [Unplaced] Unresolved L WCSP
Betula coriacea Gunnarsson [Illegitimate] Synonym H WCSP
Betula coriaceifolia V.N.Vassil. Accepted H WCSP
Betula coriifolia Tausch ex Regel Synonym H WCSP
Betula corylifolia Griff. [Unplaced] Unresolved L WCSP
Betula corylifolia Regel & Maxim. Accepted H WCSP
Betula costata Trautv. Accepted H WCSP
Betula costata var. pubescens S.L.Liou Synonym L WCSP
Betula crassijulis Musch. Synonym H WCSP
Betula crassijulis Muscheg. Synonym M TRO
Betula crenata Rydb. ex E.J.Butler Synonym H WCSP
Betula crispa Aiton Synonym H WCSP
Betula cryptocarpa Laest. Unresolved L TRO
Betula cuspidata Schrad. ex Regel [Illegitimate] Synonym H WCSP
Betula cyclophylla Nakai [Unplaced] Unresolved L WCSP
Betula cycoviensis Steud. [Spelling variant] Synonym H WCSP
Betula cylindrostachya Lindl. ex Wall. Accepted H WCSP
Betula cylindrostachya var. pilosa (Regel) Regel Synonym L WCSP
Betula cylindrostachya var. resinosa Diels Synonym L WCSP
Betula cylindrostachya var. subglabra Regel Synonym L WCSP
Betula cylindrostachys Wall. ex Diels Unresolved L TRO
Betula czatkalensis V.N.Vassil. Synonym H WCSP
Betula czerepanovii N.I.Orlova Synonym H WCSP
Betula czerepanovii var. nasarovii Tzvelev Synonym L WCSP
Betula dahurica Pall. Accepted H WCSP
Betula dahurica var. americana Regel Synonym L WCSP
Betula dahurica var. maximowiczii (Rupr.) Trautv. Synonym L WCSP
Betula dahurica f. oblongifolia (Liou) S.L.Tung Synonym L WCSP
Betula dahurica var. oblongifolia Liou Synonym L WCSP
Betula dahurica var. okuboi Miyabe & Tatew. Synonym L WCSP
Betula dahurica var. ovalifolia Liou Synonym L WCSP
Betula dahurica f. ovalifolia (Liou) S.L.Tung Synonym L WCSP
Betula dahurica f. tiliifolia (Liou) S.L.Tung Synonym L WCSP
Betula dahurica var. tiliifolia Liou Synonym L WCSP
Betula dalecarlica L.f. Synonym H WCSP
Betula darvasica Ovcz., Czukav. & Shibkova [Unplaced] Unresolved L WCSP
Betula delavayi Franch. Accepted H WCSP
Betula delavayi var. calcicola W.W.Sm. Synonym L WCSP
Betula delavayi var. delavayi Synonym L TRO
Betula delavayi var. forrestii W.W.Sm. Synonym L WCSP
Betula delavayi var. microstachya P.C.Li Synonym L WCSP
Betula delavayi var. polyneura L.C.Hu Synonym L WCSP
Betula demetrii I.V.Vassil. Synonym H WCSP
Betula derbetica P.A.Baranov Synonym H WCSP
Betula dioica Pall. [Invalid] Synonym H WCSP
Betula divaricata Ledeb. Accepted H WCSP
Betula dolicholepis Ovcz., Czukav. & Shibkova Accepted H WCSP
Betula × dugleana Lepage Accepted H WCSP
Betula × dutillyi Lepage Accepted H WCSP
Betula × eastwoodiae Sarg. Accepted H WCSP
Betula × eastwoodiae Dugle Unresolved L TRO
Betula ellipticifolia V.N.Vassil. Synonym H WCSP
Betula elrodiana E.J.Butler Synonym H WCSP
Betula emarginata Ehrh. [Invalid] Synonym H WCSP
Betula ermanii Cham. Accepted H WCSP
Betula ermanii var. acutifolia H.J.P.Winkl. Synonym L WCSP
Betula ermanii var. communis Koidz. Synonym L WCSP
Betula ermanii var. corticosa Nakai Synonym L WCSP
Betula ermanii f. corticosa (Nakai) Sugim. Synonym L WCSP
Betula ermanii var. costata (Trautv.) Regel Synonym L WCSP
Betula ermanii var. ermanii Synonym L WCSP
Betula ermanii f. ganjuensis (Koidz.) T.Shimizu Synonym L WCSP
Betula ermanii var. ganjuensis (Koidz.) Nakai Synonym L WCSP
Betula ermanii var. incisa Koidz. Synonym L WCSP
Betula ermanii var. japonica (Shirai) Koidz. Accepted L WCSP
Betula ermanii subsp. lanata (Regel) A.Skvorts. Synonym L WCSP
Betula ermanii var. lanata Regel Synonym L WCSP
Betula ermanii var. macrostrobila Liou Synonym L WCSP
Betula ermanii var. nipponica Maxim. Synonym L WCSP
Betula ermanii f. nipponica (Maxim.) Koidz. Synonym L WCSP
Betula ermanii var. parvifolia Koidz. Synonym L WCSP
Betula ermanii var. subcordata (Regel) Koidz. Synonym L WCSP
Betula ermanii var. tomentosa Regel Synonym L WCSP
Betula ermanii var. yingkiliensis S.L.Liou & Wang Synonym L WCSP
Betula ethmensis Raf. ex Regel Unresolved L TRO
Betula etnensis Raf. Synonym H WCSP
Betula evenkiensis Polozhij Synonym H WCSP
Betula exalata S. Moore Synonym M TRO
Betula exaltata S.Moore Synonym H WCSP
Betula excelsa Pursh [Illegitimate] Synonym H WCSP
Betula excelsa Aiton Synonym H WCSP
Betula excelsa Hook. [Illegitimate] Synonym H WCSP
Betula excelsa var. canadensis Wangenh. Synonym L WCSP
Betula exilis Sukaczev Synonym H WCSP
Betula extremiorientalis Kuzen. & V.N.Vassil. Synonym H WCSP
Betula falcata V.N.Vassil. Accepted H WCSP
Betula fargesii Franch. Synonym H WCSP
Betula fauriei H.Lév. ex Nakai [Invalid] Synonym H WCSP
Betula fedtschenkoana V.N.Vassil. Synonym H WCSP
Betula × fennica Dörfl. Synonym H WCSP
Betula ferganensis V.N.Vassil. Accepted H WCSP
Betula finituma Notø [Unplaced] Unresolved L WCSP
Betula fontinalis Sarg. Synonym H WCSP
Betula fontinalis var. inopina (Jeps.) Jeps. Synonym L WCSP
Betula fontinalis f. inopina Jeps. Synonym L WCSP
Betula fontinalis var. piperi (Britton) Sarg. Synonym L WCSP
Betula fontinalis var. utahensis (Britton) Garrett Synonym L WCSP
Betula fontqueri Rothm. Synonym H WCSP
Betula fontqueri subsp. parvibracteata (Peinado, G.Moreno & A.Velasco) Rivas Mart. & Ladero Synonym L WCSP
Betula forrestii Hand.-Mazz. Accepted H WCSP
Betula forrestii var. calcicola (W.W.Sm.) Hand.-Mazz. Synonym L WCSP
Betula friesii Larss. ex Hartm. Synonym H WCSP
Betula friesii var. oxyodontia Kindb. Synonym L WCSP
Betula friesii var. subalpina Larss. ex Kindb. Synonym L WCSP
Betula fruticans Pall. [Invalid] Synonym H WCSP
Betula fruticosa Willd. [Illegitimate] Synonym H WCSP
Betula fruticosa Pall. Accepted H WCSP
Betula fruticosa var. cuneifolia Regel Synonym L WCSP
Betula fruticosa subsp. extremiorientalis (Kuzen. & V.N.Vassil.) Vorosch. Synonym L WCSP
Betula fruticosa subsp. fusca (Pall.) M.Schemberg Synonym L WCSP
Betula fruticosa var. fusenensis (Nakai) Liou Synonym L WCSP
Betula fruticosa subsp. gmelinii (Bunge) Kitag. Synonym L WCSP
Betula fruticosa var. gmelinii (Bunge) Regel Synonym L WCSP
Betula fruticosa var. macrostachys S.L.Tung Synonym L WCSP
Betula fruticosa var. ovalifolia (Rupr.) S.L.Tung Synonym L WCSP
Betula fruticosa var. paishanensis (Nakai) S.L.Tung Synonym L WCSP
Betula fruticosa var. ruprechtiana Trautv. Synonym L WCSP
Betula fruticosa subsp. ruprechtiana (Trautv.) Kitag. Synonym L WCSP
Betula fujianensis J.Zeng, Jian H.Li & Z.D.Chen Accepted H WCSP
Betula fusca Pall. ex Georgi Synonym H WCSP
Betula fusenensis Nakai Synonym H WCSP
Betula ganjuensis Koidz. Synonym H WCSP
Betula glabra Dumort. Synonym H WCSP
Betula glabrata Wahlenb. Unresolved L TRO
Betula glaebosa Notø [Unplaced] Unresolved L WCSP
Betula glandulifera (Regel) E.J.Butler Synonym H WCSP
Betula × glandulosa Berl. [Unplaced] Unresolved L WCSP
Betula glandulosa Michx. Accepted H WCSP
Betula glandulosa var. eucycla Lepage Synonym L WCSP
Betula glandulosa var. flabellifolia Rosenv. Synonym L WCSP
Betula glandulosa var. glandulifera (Regel) Gleason Synonym L WCSP
Betula glandulosa var. glandulosa Synonym L TRO
Betula glandulosa var. hallii (Howell) C.L.Hitchc. Synonym L WCSP
Betula glandulosa f. intermedia Kurtz Synonym L WCSP
Betula glandulosa var. pumila Alph.Wood Synonym L WCSP
Betula glandulosa var. rhomboidea Rosenv. Synonym L WCSP
Betula glandulosa var. rotundifolia (Spach) Regel Synonym L WCSP
Betula glandulosa var. sibirica (Ledeb.) C.K.Schneid. Synonym L WCSP
Betula glandulosa var. sibirica (Ledeb.) S.F. Blake Synonym L TRO
Betula glauca Wender. Synonym H WCSP
Betula globispica Shirai Accepted H WCSP
Betula glutinosa Wallr. [Illegitimate] Synonym H WCSP
Betula glutinosa (L.) Lam. Synonym H WCSP
Betula gmelinii Bunge Synonym H WCSP
Betula gmelinii var. zyzyphifolia (C.Wang & S.L.Tung) G.H.Liu & E.W.Ma Synonym L WCSP
Betula golitsinii V.N.Vassil. Synonym H WCSP
Betula gordiagini P.A.Baranov Synonym H WCSP
Betula grandifolia Litv. [Illegitimate] Synonym H WCSP
Betula grandifolia var. pubescens Kuzen. Synonym L WCSP
Betula grandis Schrad. Synonym H WCSP
Betula grayi Regel Synonym H WCSP
Betula grossa Siebold & Zucc. Accepted H WCSP
Betula × grossii Natho [Unplaced] Unresolved L WCSP
Betula gummifera Bertol. Synonym H WCSP
Betula guthriei Sudw. [Unplaced] Unresolved L WCSP
Betula gynoterminalis Y.C.Hsu & C.J.Wang Synonym H WCSP
Betula hackelii Opiz ex Steud. Synonym H WCSP
Betula hallii Howell Synonym H WCSP
Betula halophila Ching Accepted H WCSP
Betula × harcynica Wender. Unresolved L WCSP
Betula harcynica Wender. ex Steud. Unresolved L TRO
Betula henriettae Sukaczev & V.N.Vassil. Synonym H WCSP
Betula heptopotamica V.N.Vassil. Accepted H WCSP
Betula hippolyti Sukaczev Synonym H WCSP
Betula hissarica V.N.Vassil. Synonym H WCSP
Betula honanensis S.Y.Wang & C.L.Chang Accepted H WCSP
Betula × hornei E.J.Butler Accepted H WCSP
Betula hornei B.T. Butler Unresolved L TRO
Betula humilis Marshall [Invalid] Synonym H WCSP
Betula × humilis Fr. ex Regel [Invalid] Unresolved L WCSP
Betula humilis Schrank Accepted H WCSP
Betula humilis f. calcarata Perfil. Synonym L WCSP
Betula humilis var. camtschatica Regel Synonym L WCSP
Betula humilis var. commutata Regel Synonym L WCSP
Betula humilis f. crispa Perfil. Synonym L WCSP
Betula humilis var. cuneata Perfil. Synonym L WCSP
Betula humilis var. kamtschatica Regel Synonym L WCSP
Betula humilis f. obovata Perfil. Synonym L WCSP
Betula humilis var. ovalifolia (Rupr.) Regel Synonym L WCSP
Betula humilis var. oycowiensis Nyman Synonym L WCSP
Betula humilis var. palustris J.F.Gmel. Synonym L WCSP
Betula humilis var. reticulata (Rupr.) Regel Synonym L WCSP
Betula humilis var. socolowii Regel Synonym L WCSP
Betula humilis var. subcordata Perfil. Synonym L WCSP
Betula humilis var. tatewakiana (M.Ohki & S.Watan.) Murata Synonym L WCSP
Betula hupehensis C.K.Schneid. Synonym H WCSP
Betula hybrida Blom Synonym H WCSP
Betula × hybrida Bechst. [Illegitimate] Unresolved L WCSP
Betula incana (L.) L.f. Synonym H WCSP
Betula incana var. angulata Aiton Synonym L WCSP
Betula incana var. glauca Aiton Synonym L WCSP
Betula incana var. minor Tourr. Synonym L WCSP
Betula incisa (Koidz.) Koidz. Synonym H WCSP
Betula insignis Franch. Accepted H WCSP
Betula insularis V.N.Vassil. Synonym H WCSP
Betula × intermedia Thomas ex Rchb. Unresolved L WCSP
Betula ircutensis Sukaczev Synonym H WCSP
Betula itelmenorum V.N.Vassil. Synonym H WCSP
Betula × jackii C.K.Schneid. Accepted H WCSP
Betula jackii C.K. Schneid. Unresolved L TRO
Betula jacquemontii Spach Synonym H WCSP
Betula jacquemontii subsp. occidentalis (Kitam.) Browicz Synonym L WCSP
Betula jacutica V.N.Vassil. Synonym H WCSP
Betula japonica Thunb. Synonym H WCSP
Betula japonica (Miq.) Siebold ex H.J.W.Winkl. [Illegitimate] Synonym H WCSP
Betula japonica var. camtschatica (Regel) H.J.P.Winkl. Synonym L WCSP
Betula japonica var. mandshurica (Regel) H.J.P.Winkl. Synonym L WCSP
Betula japonica var. pluricostata H.J.P.Winkl. Synonym L WCSP
Betula japonica var. resinifera (Regel) H.J.P.Winkl. Synonym L WCSP
Betula japonica var. rockii Rehder Synonym L WCSP
Betula japonica var. sachalinensis Koidz. Synonym L WCSP
Betula japonica var. szechuanica C.K.Schneid. Synonym L WCSP
Betula japonica var. tauschii (Regel) H.J.P.Winkl. Synonym L WCSP
Betula jarmolenkoana Golosk. Accepted H WCSP
Betula jiaodongensis S.B.Liang Accepted H WCSP
Betula jinpingensis P.C.Li Accepted H WCSP
Betula jiulungensis P.C.Li ex Q.Lin Accepted H WCSP
Betula kamtschatica H.Buek Synonym H WCSP
Betula kamtschatica (Regel) C.-A.Jansson [Illegitimate] Synonym H WCSP
Betula kamtschatica var. kenaica (W.H.Evans) C.-A.Jansson Synonym L WCSP
Betula karagandensis V.N.Vassil. Accepted H WCSP
Betula × kateninii Tzvelev Synonym H WCSP
Betula kelleriana Sukaczev Synonym H WCSP
Betula kenaica W.H.Evans Accepted H WCSP
Betula kenaica var. japonica (Miq.) Lindq. Synonym L WCSP
Betula kirghisorum Sawicz Accepted H WCSP
Betula klokovii Zaver. Accepted H WCSP
Betula × koehnei C.K.Schneid. [Unplaced] Unresolved L WCSP
Betula komarovii Perfil. & Kolesn. Synonym H WCSP
Betula korshinskyi Litv. Accepted H WCSP
Betula kossogolica V.N.Vassil. Synonym H WCSP
Betula kotulae Zaver. Accepted H WCSP
Betula krylovii G.V.Krylov Synonym H WCSP
Betula kunarensis Browicz Accepted H WCSP
Betula × kusmisscheffii (Regel) Sukaczev Unresolved L WCSP
Betula kwangsiensis F.P.Metcalf Synonym H WCSP
Betula kweichowensis Hu Synonym H WCSP
Betula laciniata Ehrh. [Illegitimate] Synonym H WCSP
Betula laciniata Thunb. [Illegitimate] Synonym H WCSP
Betula laciniata Blom Synonym H WCSP
Betula laciniata Wahlenb. [Illegitimate] Synonym H WCSP
Betula laciniata var. crispa Rchb. Synonym L WCSP
Betula × lagopina Hartm. ex Regel Unresolved L WCSP
Betula lanata (Regel) V.N.Vassil. Accepted H WCSP
Betula lanulosa Michx. Synonym H WCSP
Betula latifolia Andrz. [Unplaced] Unresolved L WCSP
Betula latifolia Tausch Synonym H WCSP
Betula latifolia Kom. Synonym M TRO
Betula latifolia var. cuneifolia Nakai Synonym L WCSP
Betula latifolia var. kamtschatica (Regel) Makino & Nemoto Synonym L WCSP
Betula latifolia var. mandshurica (Regel) Nakai Synonym L WCSP
Betula latifolia var. pluricostata (H.J.P.Winkl.) Makino & Nemoto Synonym L WCSP
Betula lenta Du Roi Synonym H WCSP
Betula lenta L. Accepted H WCSP
Betula lenta var. carpinifolia Regel Synonym L WCSP
Betula lenta var. grossa (Siebold & Zucc.) Regel Synonym L WCSP
Betula lenta var. humilis (Marshall) Castigl. Synonym L WCSP
Betula lenta f. laciniata Rehder Synonym L WCSP
Betula lenta subsp. lenta Synonym L WCSP
Betula lenta f. lenta Synonym L TRO
Betula lenta var. lutea Regel Synonym L WCSP
Betula lenta var. papyrifera (Marshall) Castigl. Synonym L WCSP
Betula lenta var. persicifolia Dippel Synonym L WCSP
Betula lenta var. populifolia (Marshall) Castigl. Synonym L WCSP
Betula lenta var. uber Ashe Synonym L WCSP
Betula lenta subsp. uber (Ashe) A.E.Murray Accepted L WCSP
Betula lenta f. uber (Ashe) McAll. & Ashburner Synonym L WCSP
Betula leptophylla Regel Synonym H WCSP
Betula leptostachya Wall. [Invalid] Synonym H WCSP
Betula liaotungensis A.I.Baranov Synonym H WCSP
Betula lipskyi V.N.Vassil. Synonym H WCSP
Betula littelliana Tucker Synonym H WCSP
Betula litwinowii Doluch. Accepted H WCSP
Betula litwinowii var. recurvata I.V.Vassil. Synonym L WCSP
Betula lobulata Kit. Synonym H WCSP
Betula longifolia Bové ex Spach Synonym H WCSP
Betula longilobata Sipliv. Synonym H WCSP
Betula lucida Courtois Synonym H WCSP
Betula ludmilae V.N.Vassil. Synonym H WCSP
Betula luminifera H.J.P.Winkl. Accepted H WCSP
Betula luminifera var. baeumkeri (H.J.P.Winkl.) P.C.Kuo Synonym L WCSP
Betula luminifera f. pachystachya X.M.Liu Synonym L WCSP
Betula lutea F.Michx. [Illegitimate] Synonym H WCSP
Betula lutea var. alleghaniensis (Britton) Rehder Synonym L WCSP
Betula lutea f. fallax Fassett Synonym L WCSP
Betula lutea f. macrolepis (Fernald) Fernald Synonym L WCSP
Betula lutea var. macrolepis Fernald Synonym L WCSP
Betula lutea var. persicifolia Dippel Synonym L WCSP
Betula lyalliana (Koehne) Bean Synonym H WCSP
Betula maackii Rupr. Synonym H WCSP
Betula maarensis V.N.Vassil. & Husseinova Synonym H WCSP
Betula macrostachya Schrad. ex Regel Synonym H WCSP
Betula major Gilib. [Invalid] Synonym H WCSP
Betula mandshurica (Regel) Nakai Synonym H WCSP
Betula mandshurica var. japonica (Miq.) Rehder Synonym L WCSP
Betula mandshurica var. kamtschatica (Regel) Rehder Synonym L WCSP
Betula mandshurica var. rockii (Rehder) Rehder Synonym L WCSP
Betula mandshurica var. szechuanica (C.K.Schneid.) Rehder Synonym L WCSP
Betula margusarica V.N.Vassil. Accepted H WCSP
Betula maximowicziana Regel Accepted H WCSP
Betula maximowiczii Regel [Illegitimate] Synonym H WCSP
Betula maximowiczii Rupr. Synonym H WCSP
Betula media Laest. Unresolved L TRO
Betula medwedieaii Regel Unresolved L TRO
Betula medwediewii Regel Accepted H WCSP
Betula megalocarpa Laest. Unresolved L TRO
Betula megaloptera Kindb. Synonym H WCSP
Betula megrelica Sosn. Accepted H WCSP
Betula michauxii Spach Accepted H WCSP
Betula microdontia Kindb. Synonym H WCSP
Betula microlepis I.V.Vassil. Synonym H WCSP
Betula microlepis var. moldavica Osadchii Synonym L WCSP
Betula microphylla Bunge Accepted H WCSP
Betula microphylla var. fontinalis (Sarg.) M.E.Jones Synonym L WCSP
Betula microphylla var. occidentalis (Hook.) M.E.Jones Synonym L WCSP
Betula microphylla var. rezniczenkoana Litv. Synonym L WCSP
Betula microphylla var. utahensis (Britton) M.E.Jones Synonym L WCSP
Betula middendorffii Trautv. & C.A.Mey. Synonym H WCSP
Betula middendorffii var. communis Trautv. ex Regel Synonym L WCSP
Betula middendorffii var. globosa Regel Synonym L WCSP
Betula middendorffii var. nitida Regel Synonym L WCSP
Betula minor (Tuck.) Fernald Accepted H WCSP
Betula minor Auth. Synonym M TRO
Betula miyoshii Nakai [Invalid] Synonym H WCSP
Betula mongolica V.N.Vassil. Synonym H WCSP
Betula montana V.N.Vassil. Synonym H WCSP
Betula montanensis Rydb. ex B.T.Butler Synonym H WCSP
Betula murgabica V.N.Vassil. Accepted H WCSP
Betula murithii Gaudin ex Regel Synonym H WCSP
Betula × murrayana B.V.Barnes & Dancik Accepted H WCSP
Betula myrsinoides Tausch Synonym H WCSP
Betula nakaiana Tatew. & Hurus. [Unplaced] Unresolved L WCSP
Betula nana L. Accepted H WCSP
Betula nana var. alpestris (Fr.) Regel Synonym L WCSP
Betula nana var. borealis Regel Synonym L WCSP
Betula nana var. europaea Ledeb. Synonym L WCSP
Betula nana subsp. exilis (Sukaczev) Hultén Accepted L WCSP
Betula nana var. flabellifolia Hook. Synonym L WCSP
Betula nana var. glandulifera (Regel) B.Boivin Synonym L WCSP
Betula nana var. intermedia Hartm. Unresolved L WCSP
Betula nana var. intermedia Regel [Illegitimate] Synonym L WCSP
Betula nana var. macrophylla Kindb. Synonym L WCSP
Betula nana f. magnifolia Hartz Synonym L WCSP
Betula nana var. michauxii (Spach) Regel Synonym L WCSP
Betula nana subsp. nana Synonym L WCSP
Betula nana subsp. perfiljevii (V.N.Vassil.) Á.Löve & D.Löve Synonym L WCSP
Betula nana var. reducta Hultén Synonym L WCSP
Betula nana f. reducta (Hultén) B.Boivin Synonym L WCSP
Betula nana var. relicta Th.Fr. ex Gürke Synonym L WCSP
Betula nana subsp. relicta (Th.Fr. ex Gürke) Nyman Synonym L WCSP
Betula nana var. renifolia (Fernald) B.Boivin Synonym L WCSP
Betula nana subsp. rotundifolia (Spach) Malyschev Accepted L WCSP
Betula nana var. sibirica Ledeb. Synonym L WCSP
Betula nana subsp. tundrarum (Perfil.) Á.Löve & D.Löve Synonym L WCSP
Betula naniformis Lindb. ex Kindb. Synonym H WCSP
Betula neoalaskana Sarg. Accepted H WCSP
Betula neoalaskana var. kenaica (W.H.Evans) B.Boivin Synonym L WCSP
Betula neoborealis Lepage Synonym H WCSP
Betula nigra L. Accepted H WCSP
Betula nigra var. parvifolia Regel Synonym L WCSP
Betula nigricans Wender. Synonym H WCSP
Betula niijimae Nakai [Invalid] Synonym H WCSP
Betula nikoensis Koidz. Synonym H WCSP
Betula nitida D.Don Synonym H WCSP
Betula nitida var. affinis (Spach) Regel Synonym L WCSP
Betula oblongata Aiton Synonym H WCSP
Betula obovata E.J.Butler Synonym H WCSP
Betula × obscura Kotula ex Fiek Synonym H WCSP
Betula obscura Kotula Accepted M TRO
Betula occidentalis Hook. Accepted H WCSP
Betula occidentalis var. fecunda Fernald Synonym L WCSP
Betula occidentalis subsp. fecunda (Fernald) A.E.Murray Synonym L WCSP
Betula occidentalis f. inopina Jeps. Synonym L WCSP
Betula occidentalis subsp. inopina (Jeps.) A.E.Murray Synonym L WCSP
Betula occidentalis var. inopina (Jeps.) C.L.Hitchc. Synonym L WCSP
Betula occidentalis var. occidentalis Synonym L TRO
Betula odorata Bechst. Synonym H WCSP
Betula odorata var. alpestris (Fr.) Rosenv. Synonym L WCSP
Betula odorata var. alpigena Blytt Synonym L WCSP
Betula odorata f. incisa Kindb. Synonym L WCSP
Betula odorata subsp. integrifolia Larss. ex Kindb. Synonym L WCSP
Betula odorata var. tortuosa (Ledeb.) Rosenv. Synonym L WCSP
Betula ovalifolia Rupr. Accepted H WCSP
Betula ovata K.Koch Synonym H WCSP
Betula ovata Schrank Synonym H WCSP
Betula ovczinnikovii V.N.Vassil. Accepted H WCSP
Betula oxytzowiensis Dippel Unresolved L TRO
Betula oycowiensis Besser Synonym H WCSP
Betula oycowiensis Rchb. [Illegitimate] Synonym H WCSP
Betula oycowiensis var. majuscula Kindb. Synonym L WCSP
Betula paishanensis Nakai Synonym H WCSP
Betula × pallescens Larss. ex Kindb. Unresolved L WCSP
Betula palmata Borkh. Synonym H WCSP
Betula palmata var. bircalensis (Mela) Tzvelev Synonym L WCSP
Betula palmata var. crispa (Rchb.) Tzvelev Synonym L WCSP
Betula palmata var. lobulata (C.Andersson) Tzvelev Synonym L WCSP
Betula palmiformis Laest. Unresolved L TRO
Betula palustris Salisb. [Illegitimate] Synonym H WCSP
Betula palustris Rupr. [Illegitimate] Synonym H WCSP
Betula pamirica Litv. Accepted H WCSP
Betula papyracea Aiton Synonym H WCSP
Betula papyracea var. communis (Regel) Schelle Synonym L WCSP
Betula papyracea var. cordifolia (Regel) Dippel Synonym L WCSP
Betula papyracea var. cordifolia (Regel) Schelle Synonym L TRO
Betula papyracea var. grandis (Schrad.) Schelle Synonym L WCSP
Betula papyracea var. lyalliana (Koehne) Schelle Synonym L WCSP
Betula papyracea var. minor Tuck. Synonym L WCSP
Betula papyracea var. occidentalis (Hook.) Dippel Synonym L WCSP
Betula papyrifera Marshall Accepted H WCSP
Betula papyrifera var. andrewsii Daniels Synonym L WCSP
Betula papyrifera var. communis Regel Synonym L WCSP
Betula papyrifera var. commutata (Regel) Fernald Synonym L WCSP
Betula papyrifera subsp. commutata (Regel) A.E.Murray Synonym L WCSP
Betula papyrifera var. cordifolia (Regel) Regel Accepted L WCSP
Betula papyrifera subsp. cordifolia (Regel) A.E.Murray Synonym L WCSP
Betula papyrifera f. cordifolia (Regel) C.K.Schneid. Synonym L WCSP
Betula papyrifera var. cordifolia (Regel) Fernald Synonym L TRO
Betula papyrifera f. coriacea Fernald & Wiegand Synonym L WCSP
Betula papyrifera var. elobata (Fernald) Sarg. Synonym L WCSP
Betula papyrifera f. elobata (Fernald) B.Boivin Synonym L WCSP
Betula papyrifera var. humilis (Regel) Fernald & Raup Synonym L WCSP
Betula papyrifera subsp. humilis (Regel) A.E.Murray Synonym L WCSP
Betula papyrifera subsp. humilis (Regel) Hultén Synonym L TRO
Betula papyrifera var. kenaica (W.H.Evans) A.Henry Synonym L WCSP
Betula papyrifera subsp. kenaica (W.H.Evans) A.E.Murray Synonym L WCSP
Betula papyrifera f. longipes Fernald Synonym L WCSP
Betula papyrifera var. lyalliana Koehne Synonym L WCSP
Betula papyrifera var. macrostachya Fernald Synonym L WCSP
Betula papyrifera var. minor Tuck. Synonym L TRO
Betula papyrifera var. montanensis (Rydb. ex B.T.Butler) Sarg. Synonym L WCSP
Betula papyrifera f. nana B.Boivin Synonym L WCSP
Betula papyrifera var. neoalaskana (Sarg.) Raup Synonym L WCSP
Betula papyrifera subsp. neoalaskana (Sarg.) A.E.Murray Synonym L WCSP
Betula papyrifera subsp. occidentalis (Hook.) Hultén Synonym L WCSP
Betula papyrifera var. occidentalis (Hook.) Sarg. Synonym L WCSP
Betula papyrifera var. papyrifera Synonym L WCSP
Betula papyrifera f. papyrifera Synonym L TRO
Betula papyrifera var. pensilis Fernald Synonym L WCSP
Betula papyrifera var. recessa Lepage Synonym L WCSP
Betula papyrifera var. subcordata (Rydb. ex B.T.Butler) Sarg. Synonym L WCSP
Betula papyrifera subsp. subcordata (Rydb. ex B.T.Butler) A.E.Murray Synonym L WCSP
Betula paraermanii V.N.Vassil. Synonym H WCSP
Betula paramushirensis Barkalov Accepted H WCSP
Betula parvibracteata Peinado, G.Moreno & A.Velasco Synonym H WCSP
Betula pavlovii P.A.Baranov Synonym H WCSP
Betula pendula Roth Accepted H WCSP
Betula pendula f. bircalensis (Mela) Hämet-Ahti Synonym L WCSP
Betula pendula var. carelica (Merckl.) Hämet-Ahti Synonym L WCSP
Betula pendula f. crispa (Rchb.) Hämet-Ahti Synonym L WCSP
Betula pendula f. dalecarlica (L.f.) C.K.Schneid. Synonym L WCSP
Betula pendula subsp. etnensis (Raf.) Zangh. Synonym L WCSP
Betula pendula f. fastigiata (Clemenc.) Dippel Synonym L WCSP
Betula pendula subsp. fontqueri (Rothm.) G.Moreno & Peinado Synonym L WCSP
Betula pendula var. fontqueri (Rothm.) G.Moreno & Peinado Accepted L WCSP
Betula pendula var. japonica (Miq.) Rehder Synonym L WCSP
Betula pendula subsp. kamtschatica (Regel) Shemberg Synonym L WCSP
Betula pendula var. laciniata Tidestr. Synonym L WCSP
Betula pendula var. lapponica (Lindq.) Hämet-Ahti Synonym L WCSP
Betula pendula var. meridionalis G.Moreno & Peinado Synonym L WCSP
Betula pendula f. microdonta C.K.Schneid. Synonym L WCSP
Betula pendula var. microlepis (I.V.Vassil.) Doluch. Synonym L WCSP
Betula pendula var. obscura (Kotula ex Fiek) Olšavská Synonym L WCSP
Betula pendula var. oycowiensis (Besser) Dippel Accepted L WCSP
Betula pendula f. palmeri Hämet-Ahti Synonym L WCSP
Betula pendula var. parvibracteata (Peinado, G.Moreno & A.Velasco) G.Moreno & Peinado Synonym L WCSP
Betula pendula var. pendula Synonym L WCSP
Betula pendula var. tauschii (Regel) Rehder Synonym L WCSP
Betula perfiljevii V.N.Vassil. Synonym H WCSP
Betula persicifolia K.Koch [Invalid] Synonym H WCSP
Betula pinnata Lundmark Synonym H WCSP
Betula pinnata var. hybrida Lundmark Synonym L WCSP
Betula × piperi Britton Synonym H WCSP
Betula × piperi C.L. Hitchc. Accepted M TRO
Betula pirifolia K.Koch Synonym H WCSP
Betula platyodontia Kindb. Synonym H WCSP
Betula platyphylla Sukaczev Accepted H WCSP
Betula platyphylla var. brunnea J.X.Huang Synonym L WCSP
Betula platyphylla var. cuneifolia (Nakai) H.Hara Synonym L WCSP
Betula platyphylla var. japonica (Miq.) H.Hara Synonym L WCSP
Betula platyphylla var. japonica (Miq.) Hara Synonym L TRO
Betula platyphylla subsp. kamtschatica (Regel) Vorosch. Accepted L WCSP
Betula platyphylla var. kamtschatica (Regel) H.Hara Synonym L WCSP
Betula platyphylla var. kamtschatica (Regel) Hara Synonym L TRO
Betula platyphylla f. laciniata (Miyabe & Tatew.) H.Hara Synonym L WCSP
Betula platyphylla var. mandshurica (Regel) H.Hara Synonym L WCSP
Betula platyphylla subsp. mandshurica (Regel) Kitag. Accepted L WCSP
Betula platyphylla subsp. minutifolia (Kozhevn.) Kozhevn. Accepted L WCSP
Betula platyphylla var. phellodendroides S.L.Tung Synonym L WCSP
Betula platyphylla subsp. platyphylla Synonym L WCSP
Betula platyphylla var. pluricostata (H.J.P.Winkl.) Tatew. Synonym L WCSP
Betula platyphylla var. rockii (Rehder) Rehder Synonym L WCSP
Betula platyphylla var. szechuanica (C.K.Schneid.) Rehder Synonym L WCSP
Betula platyphylla var. tauschii (Regel) Tatew. Synonym L WCSP
Betula platyphylloides V.N.Vassil. Synonym H WCSP
Betula platyphylloides var. microphylla Osadchii Synonym L WCSP
Betula platyptera Kindb. Unresolved L TRO
Betula plettkei Junge [Unplaced] Unresolved L WCSP
Betula pontica Loudon Synonym H WCSP
Betula populifolia Aiton Synonym H WCSP
Betula populifolia Marshall Accepted H WCSP
Betula populifolia f. incisifolia Fernald Synonym L WCSP
Betula populifolia var. pendula Loudon Synonym L WCSP
Betula populifolia f. pendula (Loudon) H.J.P.Winkl. Synonym L WCSP
Betula populifolia f. populifolia Synonym L TRO
Betula potamophila V.N.Vassil. Accepted H WCSP
Betula potaninii Batalin Accepted H WCSP
Betula potaninii var. trichogemma L.C.Hu Synonym L WCSP
Betula prochorowii Kuzen. & Litv. Synonym H WCSP
Betula procurva Litv. Accepted H WCSP
Betula procurva subsp. lipskyi (V.N.Vassil.) Ovcz. Accepted L WCSP
Betula procurva subsp. procurva Synonym L WCSP
Betula procurva subsp. schugnanica (B.Fedtsch.) Ovcz. Accepted L WCSP
Betula psammophila V.N.Vassil. Accepted H WCSP
Betula pseudoalafica V.N. Vassil. Synonym M TRO
Betula pseudoalajica V.N.Vassil. Synonym H WCSP
Betula × pseudocarpatica Simonk. [Unplaced] Unresolved L WCSP
Betula pseudolenta V.N.Vassil. Synonym H WCSP
Betula pseudomiddendorffii V.N.Vassil. Synonym H WCSP
Betula × pseudomiddendorffii V.N. Vassil. Unresolved L TRO
Betula pseudopendula V.N.Vassil. Synonym H WCSP
Betula pubentissima V.N.Vassil. [Unplaced] Unresolved L WCSP
Betula pubescens Ehrh. Accepted H WCSP
Betula pubescens var. appressa Kallio & Y.Mäkinen Synonym L WCSP
Betula pubescens subsp. borealis (Spach) Á.Löve & D.Löve Synonym L WCSP
Betula pubescens var. borealis (Spach) Á. Löve & D. Löve Synonym L TRO
Betula pubescens subsp. callosa (Notø) Á.Löve & D.Löve Synonym L WCSP
Betula pubescens subsp. carpatica (Waldst. & Kit. ex Willd.) Asch. & Graebn. Synonym L WCSP
Betula pubescens var. carpatica (Waldst. & Kit. ex Willd.) W.D.J.Koch Synonym L WCSP
Betula pubescens subsp. celtiberica (Rothm. & Vasc.) Rivas Mart. Synonym L WCSP
Betula pubescens f. columnaris T.Ulvinen Synonym L WCSP
Betula pubescens subsp. concinna (Gunnarsson) Á.Löve & D.Löve Synonym L WCSP
Betula pubescens var. cryptocarpa Laest. Synonym L WCSP
Betula pubescens var. czerepanovii (N.I.Orlova) Hämet-Ahti Synonym L WCSP
Betula pubescens subsp. czerepanovii (N.I.Orlova) Hämet-Ahti Synonym L WCSP
Betula pubescens var. denudata Gren. & Godr. Synonym L WCSP
Betula pubescens var. friesii (Larss. ex Hartm.) Nyman Synonym L WCSP
Betula pubescens var. glabra Fiek ex C.K.Schneid. Synonym L WCSP
Betula pubescens var. glabrata Wahlenb. Accepted L WCSP
Betula pubescens subsp. glutinosa (Trautv. ex Regel) Berher Synonym L WCSP
Betula pubescens var. glutinosa (Trautv. ex Regel) Nyman Synonym L WCSP
Betula pubescens var. golitsinii (V.N.Vassil.) Tzvelev Accepted L WCSP
Betula pubescens f. hibernifolia T.Ulvinen Synonym L WCSP
Betula pubescens var. lucida (Courtois) Wesm. Synonym L WCSP
Betula pubescens var. media Laest. Synonym L WCSP
Betula pubescens var. megalocarpa Laest. Synonym L WCSP
Betula pubescens subsp. minor (Tuck.) Á.Löve & D.Löve Synonym L WCSP
Betula pubescens var. murithii (Gaudin ex Regel) Gremli Synonym L WCSP
Betula pubescens subsp. murithii (Gaudin ex Regel) Nyman Synonym L WCSP
Betula pubescens subsp. nigricans Maire ex Just Synonym L WCSP
Betula pubescens var. nigricans (Wender.) Nyman Synonym L WCSP
Betula pubescens var. oblongifolia Wimm. Synonym L WCSP
Betula pubescens subsp. odorata (Bechst.) E.F.Warb. Synonym L WCSP
Betula pubescens subsp. odorata (Bechst.) Warb. Synonym L TRO
Betula pubescens var. ovalifolia Sukaczev Synonym L WCSP
Betula pubescens subsp. ovalifolia (Sukaczev) Printz Synonym L WCSP
Betula pubescens var. palmiformis Laest. Synonym L WCSP
Betula pubescens f. pendula Schelle Synonym L WCSP
Betula pubescens var. pubescens Synonym L WCSP
Betula pubescens var. pumila (L.) Govaerts Accepted L WCSP
Betula pubescens var. rhombifolia (Tausch) Sukaczev Synonym L WCSP
Betula pubescens subsp. rhombifolia (Tausch) Printz Synonym L WCSP
Betula pubescens f. rubra T.Ulvinen Synonym L WCSP
Betula pubescens var. rustica Laest. Synonym L WCSP
Betula pubescens var. sibakademica Baran. Synonym L WCSP
Betula pubescens var. silvatica Laest. Synonym L WCSP
Betula pubescens var. silvestris Laest. Synonym L WCSP
Betula pubescens var. songarica Regel Synonym L WCSP
Betula pubescens var. subaequalis Laest. Synonym L WCSP
Betula pubescens var. subalpina Laest. Synonym L WCSP
Betula pubescens subsp. subarctica (Orlova) Á.Löve & D.Löve Synonym L WCSP
Betula pubescens subsp. suecica Gunnarsson Synonym L WCSP
Betula pubescens var. tiliifolia Laest. Synonym L WCSP
Betula pubescens subsp. tortuosa (Ledeb.) Nyman Synonym L WCSP
Betula pubescens var. tortuosa (Ledeb.) Koehne Synonym L WCSP
Betula pubescens var. vestita Gren. & Godr. Synonym L WCSP
Betula pulchella Dippel [Unplaced] Unresolved L WCSP
Betula pumila L. Accepted H WCSP
Betula pumila var. borealis (Spach) Regel Synonym L WCSP
Betula pumila var. fastigiata Rehder Synonym L WCSP
Betula pumila var. glabra Regel Synonym L WCSP
Betula pumila var. glabrescens Regel Synonym L WCSP
Betula pumila f. glabrescens (Regel) Regel Synonym L WCSP
Betula pumila subsp. glandulifera (Regel) Á.Löve & D.Löve Synonym L WCSP
Betula pumila var. glandulifera Regel Synonym L WCSP
Betula pumila f. glandulifera (Regel) H.J.P.Winkl. Synonym L WCSP
Betula pumila f. hallii (Howell) Brayshaw Synonym L WCSP
Betula pumila f. latipes (H.J.P.Winkl.) Lepage Synonym L WCSP
Betula pumila var. latipes H.J.P.Winkl. Synonym L WCSP
Betula pumila f. pubescens H.J.P.Winkl. Synonym L WCSP
Betula pumila var. pumila Synonym L TRO
Betula pumila var. renifolia Fernald Synonym L WCSP
Betula pumila var. setarioides H.J.P.Winkl. Synonym L WCSP
Betula pumila f. subcycla Lepage Synonym L WCSP
Betula × purpusii C.K.Schneid. Accepted H WCSP
Betula purpusii C.K. Schneid. Unresolved L TRO
Betula pyrolifolia V.N.Vassil. Accepted H WCSP
Betula quebeccensis Burgsd. Synonym H WCSP
Betula raddeana Trautv. Accepted H WCSP
Betula × raymundii Lepage Accepted H WCSP
Betula recurvata (I.V.Vassil.) V.N.Vassil. Synonym H WCSP
Betula regeliana V.N.Vassil. Accepted H WCSP
Betula resinifera Royle [Unplaced] Unresolved L WCSP
Betula resinifera Britton [Illegitimate] Synonym H WCSP
Betula reticulata Rupr. Synonym H WCSP
Betula rezniczenkoana (Litv.) Schischk. Synonym H WCSP
Betula rhombibracteata P.C.Li Synonym H WCSP
Betula × rhombifolia Tausch Synonym H WCSP
Betula rhombifolia Nutt. [Unplaced] Unresolved L WCSP
Betula rhombifolia Tausch Synonym M TRO
Betula riparia W.W.Sm. Synonym H WCSP
Betula rockii (Rehder) C.-A.Jansson Accepted H WCSP
Betula rosae H.J.P.Winkl. [Unplaced] Unresolved L WCSP
Betula × rosendahlii Butters & Abbe [Unplaced] Unresolved L WCSP
Betula rossica Miniaev [Unplaced] Unresolved L WCSP
Betula rotundata Beck Synonym H WCSP
Betula rotundifolia Regel & Tiling [Illegitimate] Synonym H WCSP
Betula rotundifolia Spach Synonym H WCSP
Betula rubra Regel [Unplaced] Unresolved L WCSP
Betula rubra F.Michx. Synonym H WCSP
Betula rugosa (Du Roi) Ehrh. Synonym H WCSP
Betula rumnica P.A.Baranov Synonym H WCSP
Betula ruprechtiana Trautv. Unresolved L TRO
Betula rustica Laest. Unresolved L TRO
Betula saitoana Nakai Synonym H WCSP
Betula sajanensis V.N.Vassil. Synonym H WCSP
Betula saksarensis Polozhij & A.T.Malzeva Accepted H WCSP
Betula × sandbergii Britton Accepted H WCSP
Betula sandbergii Britton Unresolved L TRO
Betula × sandbergii f. maxima Rosend. Synonym L WCSP
Betula saposhnikovii Sukaczev Accepted H WCSP
Betula saposhnikovii subsp. jarmolenkoana (Golosk.) Ovcz. & Czukav. Synonym L WCSP
Betula saposhnikovii subsp. murgabica (V.N.Vassil.) Ovcz. & Czukav. Synonym L WCSP
Betula × sargentii Dugle Accepted H WCSP
Betula saviczii V.N.Vassil. Accepted H WCSP
Betula saxophila Lepage Synonym H WCSP
Betula schmidtii Regel Accepted H WCSP
Betula schmidtii var. angustifolia Makino & Nemoto Synonym L WCSP
Betula schmidtii f. angustifolia (Makino & Nemoto) Sugim. ex H.Ohba Synonym L WCSP
Betula schugnanica (B.Fedtsch.) Litv. Synonym H WCSP
Betula × seideliana Missbach Unresolved L WCSP
Betula seravschanica V.N.Vassil. Accepted H WCSP
Betula serrulata Aiton Synonym H WCSP
Betula sessilis Kom. Synonym H WCSP
Betula setarioides H. Winkl. Unresolved L TRO
Betula shikokiana Nakai Synonym H WCSP
Betula sibirica (Ledeb.) C.Pei Synonym H WCSP
Betula sibirica Lodd. ex Regel Synonym H WCSP
Betula silvatica Laest. Unresolved L TRO
Betula silvestris Laest. Unresolved L TRO
Betula socolowii J.Jacq. ex Regel [Invalid] Synonym H WCSP
Betula sokolowii Regel Synonym H WCSP
Betula sollennis Koidz. Synonym H WCSP
Betula songarica Regel Unresolved L TRO
Betula stenocarpa Kindb. Synonym H WCSP
Betula stenolepis V.N.Vassil. Synonym H WCSP
Betula subaequalis Laest. Unresolved L TRO
Betula subalpina Laest. Unresolved L TRO
Betula subarctica Orlova Synonym H WCSP
Betula subarctica var. pojarkovae Tzvelev Synonym L WCSP
Betula subcordata Rydb. ex B.T.Butler Synonym H WCSP
Betula subodorata Kindb. Synonym H WCSP
Betula substepposa V.N.Vassil. Synonym H WCSP
Betula × subtricholepidea Kindb. Unresolved L WCSP
Betula × sukaczevii Soczeva Unresolved L TRO
Betula × sukatschewii Soczava Unresolved L WCSP
Betula sunanensis Y.J.Zhang Accepted H WCSP
Betula szaferi Jent.-Szaf. ex Staszk. Synonym H WCSP
Betula szechuanica (C.K.Schneid.) C.-A.Jansson Accepted H WCSP
Betula tadzhikistanica V.N.Vassil. Accepted H WCSP
Betula talassica Poljakov Synonym H WCSP
Betula tatewakiana M.Ohki & S.Watan. Synonym H WCSP
Betula tauschii (Regel) Koidz. Synonym H WCSP
Betula tauschii var. cuneifolia (Nakai) Nemoto Synonym L WCSP
Betula tauschii var. kamtschatica (Regel) Koidz. Synonym L WCSP
Betula tauschii f. laciniata Miyabe & Tatew. Synonym L WCSP
Betula tauschii var. pluricostata (H.J.P.Winkl.) Koidz. Synonym L WCSP
Betula terrae-novae Fernald Synonym H WCSP
Betula tessingolica P.A.Baranov Synonym H WCSP
Betula tianschanica Rupr. Accepted H WCSP
Betula tianschanica subsp. margusarica (V.N.Vassil.) Ovcz. Synonym L WCSP
Betula tilliifolia Laest. Unresolved L TRO
Betula tiulinae V.N.Vassil. Synonym H WCSP
Betula tomentosa Reitter & Abeleven Synonym H WCSP
Betula torfacea Schleich. Synonym H WCSP
Betula tortuosa Ledeb. Synonym H WCSP
Betula tortuosa var. pubescens Regel Synonym L WCSP
Betula transbaicalensis V.N.Vassil. Synonym H WCSP
Betula transcaucasica V.N.Vassil. Synonym H WCSP
Betula transsilvanica Schur [Unplaced] Unresolved L WCSP
Betula trichogemma (Hu ex P.C. Li) T. Hong Synonym M TRO
Betula tricholepidea Kindb. Synonym H WCSP
Betula tricholepidea subsp. stenoptera Kindb. Synonym L WCSP
Betula triphylla Thunb. [Unplaced] Unresolved L WCSP
Betula tristis Dippel [Invalid] Synonym H WCSP
Betula tristis Wormsk. ex Link [Invalid] Synonym H WCSP
Betula tundrarum Perfil. Synonym H WCSP
Betula turfosa Weigel ex Rchb. Synonym H WCSP
Betula turkestanica Litv. Accepted H WCSP
Betula turunica P.A.Baranov Synonym H WCSP
Betula tuturinii V.N.Vassil. Accepted H WCSP
Betula uber (Ashe) Fernald Synonym H WCSP
Betula × uliginosa Dugle Accepted H WCSP
Betula ulmifolia Siebold & Zucc. Synonym H WCSP
Betula ulmifolia var. costata (Trautv.) Regel Synonym L WCSP
Betula ulmifolia var. glandulosa H.J.P.Winkl. Synonym L WCSP
Betula ulmifolia var. sericea H.J.P.Winkl. Synonym L WCSP
Betula ulmifolia var. subcordata (Regel) H.J.P.Winkl. Synonym L WCSP
Betula × ungavensis Lepage Synonym H WCSP
Betula urticifolia (Spach) Regel Synonym H WCSP
Betula uschkanensis Sukaczev [Invalid] Synonym H WCSP
Betula × utahensis Britton Accepted H WCSP
Betula × utahensis Dugle Unresolved L TRO
Betula utilis D.Don Accepted H WCSP
Betula utilis var. glandulifera Regel Synonym L WCSP
Betula utilis var. jacquemontii (Spach) H.J.P.Winkl. Accepted L WCSP
Betula utilis subsp. jacquemontii (Spach) Kitam. Synonym L WCSP
Betula utilis var. latifolia Regel Synonym L WCSP
Betula utilis subsp. occidentalis Kitam. Synonym L WCSP
Betula utilis var. occidentalis (Kitam.) Ashburner & A.D.Schill. Accepted L WCSP
Betula utilis var. sinensis (Franch.) H.J.P.Winkl. Synonym L WCSP
Betula utilis var. utilis Synonym L WCSP
Betula vassiljevii Dylis Synonym H WCSP
Betula vassiljevii Dyl. Synonym M TRO
Betula velutina V.N.Vassil. Synonym H WCSP
Betula verrucosa Ehrh. Synonym H WCSP
Betula verrucosa subsp. ambigua Hampe ex Kindb. Synonym L WCSP
Betula verrucosa var. arbuscula (Fr.) H.J.P.Winkl. Synonym L WCSP
Betula verrucosa f. bircalensis Mela Synonym L WCSP
Betula verrucosa var. bircalensis Mela Synonym L TRO
Betula verrucosa subsp. borealis Kindb. Synonym L WCSP
Betula verrucosa var. dalecarlica (L.f.) Nyman Synonym L WCSP
Betula verrucosa f. dalecarlica (L.f.) H.J.P.Winkl. Synonym L WCSP
Betula verrucosa f. dalecarlica L. f. Synonym L TRO
Betula verrucosa f. elegans Dippel Synonym L WCSP
Betula verrucosa f. expansa Regel Synonym L WCSP
Betula verrucosa subsp. fallax Kindb. Synonym L WCSP
Betula verrucosa f. fastigiata K.Koch Synonym L WCSP
Betula verrucosa var. frutescens Kindb. Synonym L WCSP
Betula verrucosa var. hybrida (Blom) Nyman Synonym L WCSP
Betula verrucosa var. japonica (Miq.) A.Henry Synonym L WCSP
Betula verrucosa var. laciniata Kindb. Synonym L WCSP
Betula verrucosa var. lapponica Lindq. Synonym L WCSP
Betula verrucosa f. lobata (Regel) Anders ex H.J.P.Winkl. Synonym L WCSP
Betula verrucosa var. lobulata (Kit.) Nyman Synonym L WCSP
Betula verrucosa var. microphylla (Wallr.) Fiek Synonym L WCSP
Betula verrucosa var. obscura (Kotula ex Fiek) Gürke Synonym L WCSP
Betula verrucosa subsp. obscura (Kotula ex Fiek) Á.Löve & D.Löve Synonym L WCSP
Betula verrucosa var. odorata Nyman Synonym L WCSP
Betula verrucosa subsp. oycowiensis (Besser) Nyman Synonym L WCSP
Betula verrucosa var. oycowiensis (Besser) H.J.P.Winkl. Synonym L WCSP
Betula verrucosa var. platyphylla (Sukaczev) Lindq. Synonym L WCSP
Betula verrucosa var. saxatilis Lindq. Synonym L WCSP
Betula victoris E.S.Husseinov Synonym H WCSP
Betula viminea Kindb. Synonym H WCSP
Betula viminea var. serrulata Kindb. Synonym L WCSP
Betula virgata Salisb. [Illegitimate] Synonym H WCSP
Betula virgultosa Fr. ex Regel Synonym H WCSP
Betula viridis Chaix Synonym H WCSP
Betula viridis Vill. Synonym M TRO
Betula vladimirii V.N.Vassil. Synonym H WCSP
Betula × vologdensis Tzvelev Accepted H WCSP
Betula vulcani H.Lév. & Vaniot [Unplaced] Unresolved L WCSP
Betula wilsoniana C.K.Schneid. Synonym H WCSP
Betula wilsonii Bean Synonym H WCSP
Betula wiluica Sukaczev [Invalid] Synonym H WCSP
Betula × winteri Dugle Accepted H WCSP
Betula wutaica Mayr Synonym H WCSP
Betula wuyiensis J.B.Xiao Accepted H WCSP
Betula yoshimurae Miyabe & Tatew. Synonym H WCSP
Betula × zimpelii Junge Accepted H WCSP
Betula zinserlingii V.N.Vassil. Accepted H WCSP
Betula zyzyphifolia C.Wang & S.L.Tung Synonym H WCSP