| Spiraea acuminata Douglas ex Hook. |
Unresolved |
 |
TRO |
| Spiraea aemiliana C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea aemulans Rehder |
Synonym |
 |
TRO |
| Spiraea alaschanica Y.Z. Zhao & T.J. Wang |
Accepted |
 |
TRO |
| Spiraea alba var. latifolia (Aiton) H.E. Ahles |
Synonym |
 |
TRO |
| Spiraea alba var. latifolia (Aiton) Dippel |
Synonym |
 |
TRO |
| Spiraea alba var. latifolia (Aiton) B. Boivin |
Unresolved |
 |
TRO |
| Spiraea alba var. septentrionalis (Fernald) Fosberg |
Unresolved |
 |
TRO |
| Spiraea alpina Pall. |
Accepted |
 |
TRO |
| Spiraea alpina var. dahurica Rupr. |
Synonym |
 |
TRO |
| Spiraea altaica Pall. |
Synonym |
 |
TRO |
| Spiraea altaiensis Laxm. |
Synonym |
 |
TRO |
| Spiraea amena Raf. |
Unresolved |
 |
TRO |
| Spiraea amurensis Maxim. |
Synonym |
 |
TRO |
| Spiraea angulata Fritsch ex C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea angustiloba Turcz. |
Synonym |
 |
TRO |
| Spiraea anomala Batalin |
Accepted |
 |
TRO |
| Spiraea aquilegiifolia Pall. |
Accepted |
 |
TRO |
| Spiraea aquilegiifolia var. vanhouttei Briot |
Synonym |
 |
TRO |
| Spiraea arborea (C.K. Schneid.) Bean |
Synonym |
 |
TRO |
| Spiraea arborea var. glabrata (Rehder) Bean |
Synonym |
 |
TRO |
| Spiraea arbuscula Greene |
Unresolved |
 |
TRO |
| Spiraea arcuata Hook. f. |
Accepted |
 |
TRO |
| Spiraea arenaria Y.Z. Zhao & T.J. Wang |
Synonym |
 |
TRO |
| Spiraea argentea L. f. |
Synonym |
 |
TRO |
| Spiraea argentea Benth. |
Synonym |
 |
TRO |
| Spiraea ariifolia Sm. |
Synonym |
 |
TRO |
| Spiraea ariifolia var. discolor (Pursh) Torr. & A. Gray |
Synonym |
 |
TRO |
| Spiraea aruncus L. |
Synonym |
 |
TRO |
| Spiraea atemnophylla H. Lév. |
Synonym |
 |
TRO |
| Spiraea baldschuanica B. Fedtsch. |
Unresolved |
 |
TRO |
| Spiraea barbata Wall. |
Unresolved |
 |
TRO |
| Spiraea beauverdiana C.K. Schneid. |
Accepted |
 |
TRO |
| Spiraea beauverdiana var. stevenii C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea bella Sims |
Accepted |
 |
TRO |
| Spiraea bethlehemensis hort. ex K. Koch |
Unresolved |
 |
TRO |
| Spiraea betulifolia Pall. |
Unresolved |
 |
TRO |
| Spiraea betulifolia subsp. aemiliana HARA |
Synonym |
 |
TRO |
| Spiraea betulifolia var. aemiliana Koidz. |
Synonym |
 |
TRO |
| Spiraea betulifolia var. corymbosa (Raf.) S. Watson |
Synonym |
 |
TRO |
| Spiraea betulifolia var. corymbosa (Raf.) Voss |
Synonym |
 |
TRO |
| Spiraea betulifolia subsp. corymbosa (Raf.) Roy L. Taylor & MacBryde |
Unresolved |
 |
TRO |
| Spiraea betulifolia var. lucida (Douglas ex Greene) C.L. Hitchc. |
Synonym |
 |
TRO |
| Spiraea betulifolia subsp. lucida (Douglas ex Greene) Roy L. Taylor & MacBryde |
Unresolved |
 |
TRO |
| Spiraea betulifolia var. rosea A. Gray |
Synonym |
 |
TRO |
| Spiraea billiardii Hort ex K. Koch |
Unresolved |
 |
TRO |
| Spiraea blumei G. Don |
Accepted |
 |
TRO |
| Spiraea blumei var. blumei |
Accepted |
 |
TRO |
| Spiraea blumei var. hirsuta Hemsl. |
Synonym |
 |
TRO |
| Spiraea blumei var. maximowiczii (C.K. Schneid.) Dunn |
Synonym |
 |
TRO |
| Spiraea blumei var. rotundifolia Hemsl. |
Synonym |
 |
TRO |
| Spiraea bodinieri H. Lév. |
Synonym |
 |
TRO |
| Spiraea bodinieri var. concolor H. Lév. |
Synonym |
 |
TRO |
| Spiraea boursieri Carrière |
Synonym |
 |
TRO |
| Spiraea bracteata Raf. |
Unresolved |
 |
TRO |
| Spiraea caespitosa Nutt. |
Synonym |
 |
TRO |
| Spiraea caespitosa var. elatior S. Watson |
Synonym |
 |
TRO |
| Spiraea calcicola W.W. Sm. |
Accepted |
 |
TRO |
| Spiraea californica Torr. |
Synonym |
 |
TRO |
| Spiraea callosa Thunb. |
Synonym |
 |
TRO |
| Spiraea callosa var. glabra Regel |
Synonym |
 |
TRO |
| Spiraea camtschatica Pall. |
Synonym |
 |
TRO |
| Spiraea camtschatica var. himalensis Lindl. |
Synonym |
 |
TRO |
| Spiraea camtschatica var. occidentalis (S. Watson) Wenz. |
Synonym |
 |
TRO |
| Spiraea canescens D. Don |
Accepted |
 |
TRO |
| Spiraea canescens var. canescens |
Accepted |
 |
TRO |
| Spiraea canescens var. glabra Hook. f. |
Synonym |
 |
TRO |
| Spiraea canescens var. glaucophylla Franch. |
Accepted |
 |
TRO |
| Spiraea canescens var. myrtifolia Zabel |
Synonym |
 |
TRO |
| Spiraea canescens var. oblanceolata Rehder |
Synonym |
 |
TRO |
| Spiraea canescens var. sulphurea Batalin |
Synonym |
 |
TRO |
| Spiraea cantoniensis Lour. |
Accepted |
 |
TRO |
| Spiraea cantoniensis var. cantoniensis |
Accepted |
 |
TRO |
| Spiraea cantoniensis var. jiangxiensis (Z.X. Yu) L.T. Lu |
Accepted |
 |
TRO |
| Spiraea capitata Pursh |
Unresolved |
 |
TRO |
| Spiraea carpinifolia Willd. |
Unresolved |
 |
TRO |
| Spiraea cavaleriei H. Lév. |
Accepted |
 |
TRO |
| Spiraea chamaedryfolia L. |
Accepted |
 |
TRO |
| Spiraea chamaedryfolia var. flexuosa (Fisch. ex Cambess.) Maxim. |
Synonym |
 |
TRO |
| Spiraea chamaedryfolia var. ulmifolia Maxim. |
Synonym |
 |
TRO |
| Spiraea chartacea Nakai |
Unresolved |
 |
TRO |
| Spiraea chinensis Maxim. |
Accepted |
 |
TRO |
| Spiraea cinerascens Piper |
Synonym |
 |
TRO |
| Spiraea compsophylla Hand.-Mazz. |
Accepted |
 |
TRO |
| Spiraea confusa |
Unresolved |
 |
TRO |
| Spiraea confusa var. sericea (Turcz.) Regel |
Synonym |
 |
TRO |
| Spiraea convexa Suksd. |
Unresolved |
 |
TRO |
| Spiraea corymbosa Raf. |
Synonym |
 |
TRO |
| Spiraea corymbosa var. lucida (Douglas ex Greene) A. Zobel |
Synonym |
 |
TRO |
| Spiraea crenata L. |
Unresolved |
 |
TRO |
| Spiraea crenifolia |
Unresolved |
 |
TRO |
| Spiraea crenifolia var. mongolica Maxim. |
Synonym |
 |
TRO |
| Spiraea cuneifolia Wall. |
Unresolved |
 |
TRO |
| Spiraea cuneifolia Borkh. |
Unresolved |
 |
TRO |
| Spiraea cuneifolia Raf. |
Unresolved |
 |
TRO |
| Spiraea dahurica (Rupr.) Maxim. |
Accepted |
 |
TRO |
| Spiraea daochengensis L.T. Lu |
Accepted |
 |
TRO |
| Spiraea dasyantha Bunge |
Accepted |
 |
TRO |
| Spiraea decumbens Koch |
Unresolved |
 |
TRO |
| Spiraea densiflora Nutt. ex Torr. & A. Gray |
Accepted |
 |
TRO |
| Spiraea densiflora var. splendens (Baumann ex K. Koch) C.L. Hitchc. |
Accepted |
 |
TRO |
| Spiraea densiflora subsp. splendens (Baumann ex K. Koch) Abrams |
Synonym |
 |
TRO |
| Spiraea denudata J. Presl & C. Presl |
Synonym |
 |
TRO |
| Spiraea digitata Willd. |
Synonym |
 |
TRO |
| Spiraea digitata var. intermedia Glehn |
Synonym |
 |
TRO |
| Spiraea discolor Pursh |
Synonym |
 |
TRO |
| Spiraea discolor var. ariifolia (Sm.) S. Watson |
Synonym |
 |
TRO |
| Spiraea discolor var. dumosa S. Watson |
Synonym |
 |
TRO |
| Spiraea discolor var. glabrescens Greenm. |
Synonym |
 |
TRO |
| Spiraea douglasii Hook. |
Accepted |
 |
TRO |
| Spiraea douglasii var. menziesii (Hook.) C. Presl |
Synonym |
 |
TRO |
| Spiraea douglasii subsp. menziesii (Hook.) Calder & Roy L. Taylor |
Accepted |
 |
TRO |
| Spiraea douglasii f. menziesii (Hook.) Voss |
Synonym |
 |
TRO |
| Spiraea douglasii var. roseata (Rydb.) C.L. Hitchc. |
Accepted |
 |
TRO |
| Spiraea dumosa Nutt. ex Torr. & A. Gray |
Synonym |
 |
TRO |
| Spiraea elegans Pojark. |
Accepted |
 |
TRO |
| Spiraea esquirolii H. Lév. |
Synonym |
 |
TRO |
| Spiraea ferganensis Pojark. |
Unresolved |
 |
TRO |
| Spiraea ferruginea Raf. |
Unresolved |
 |
TRO |
| Spiraea filipendula L. |
Unresolved |
 |
TRO |
| Spiraea fissa Lindl. |
Synonym |
 |
TRO |
| Spiraea flexuosa Fisch. ex Cambess. |
Accepted |
 |
TRO |
| Spiraea flexuosa var. flexuosa |
Accepted |
 |
TRO |
| Spiraea formosana Hayata |
Accepted |
 |
TRO |
| Spiraea formosana var. brevistyla Hayata |
Synonym |
 |
TRO |
| Spiraea fortunei Planch. |
Synonym |
 |
TRO |
| Spiraea fritschiana C.K. Schneid. |
Accepted |
 |
TRO |
| Spiraea fritschiana var. angulata (Fritsch ex C.K. Schneid.) Rehder |
Accepted |
 |
TRO |
| Spiraea fritschiana var. fritschiana |
Accepted |
 |
TRO |
| Spiraea fritschiana var. latifolia Liou |
Synonym |
 |
TRO |
| Spiraea fritschiana var. villosa Y.Q. Zhu & D.K. Zang |
Synonym |
 |
TRO |
| Spiraea fulvescens Rehder |
Synonym |
 |
TRO |
| Spiraea gemmata Zabel |
Synonym |
 |
TRO |
| Spiraea glomerata Raf. |
Unresolved |
 |
TRO |
| Spiraea hailarensis Liou |
Accepted |
 |
TRO |
| Spiraea hartwegiana Rydb. |
Accepted |
 |
TRO |
| Spiraea hayatana H.L. Li |
Accepted |
 |
TRO |
| Spiraea helleri Rydb. |
Unresolved |
 |
TRO |
| Spiraea hendersonii (Canby) Piper |
Synonym |
 |
TRO |
| Spiraea henryi Hemsl. |
Accepted |
 |
TRO |
| Spiraea henryi var. glabrata T.T. Yu & L.T. Lu |
Synonym |
 |
TRO |
| Spiraea henryi var. omeiensis T.T. Yu |
Accepted |
 |
TRO |
| Spiraea heterophylla Raf. |
Unresolved |
 |
TRO |
| Spiraea hingshanensis T.T. Yu & L.T. Lu |
Accepted |
 |
TRO |
| Spiraea hirsuta (Hemsl.) C.K. Schneid. |
Accepted |
 |
TRO |
| Spiraea hirsuta var. hirsuta |
Accepted |
 |
TRO |
| Spiraea hirsuta var. rotundifolia (Hemsl.) Rehder |
Accepted |
 |
TRO |
| Spiraea × hitchcockii W.J. Hess & Stoynoff |
Unresolved |
 |
TRO |
| Spiraea holorhodantha H. Lév. |
Synonym |
 |
TRO |
| Spiraea humilis Pojark. |
Accepted |
 |
TRO |
| Spiraea hydrophila Suksd. |
Unresolved |
 |
TRO |
| Spiraea hypericifolia L. |
Accepted |
 |
TRO |
| Spiraea hypericifolia var. hupehensis Rehder |
Synonym |
 |
TRO |
| Spiraea hypericifolia var. thalictroides Ledeb. |
Synonym |
 |
TRO |
| Spiraea idahoensis A. Nelson |
Unresolved |
 |
TRO |
| Spiraea incisa Thunb. |
Synonym |
 |
TRO |
| Spiraea japonica L. f. |
Unresolved |
 |
TRO |
| Spiraea japonica (L.) Desv. |
Accepted |
 |
TRO |
| Spiraea japonica var. acuminata Franch. |
Accepted |
 |
TRO |
| Spiraea japonica var. formosana (Hayata) Masam. |
Synonym |
 |
TRO |
| Spiraea japonica var. fortunei (Planch.) Rehder |
Accepted |
 |
TRO |
| Spiraea japonica var. fortunei Koidz. |
Synonym |
 |
TRO |
| Spiraea japonica var. glabra (Regel) Koidz. |
Accepted |
 |
TRO |
| Spiraea japonica var. japonica |
Accepted |
 |
TRO |
| Spiraea japonica var. morrisonicola (Hayata) Kitam. |
Synonym |
 |
TRO |
| Spiraea jiangxiensis Z.X. Yu |
Synonym |
 |
TRO |
| Spiraea kamtschatica Maxim. |
Unresolved |
 |
TRO |
| Spiraea kirilowii Regel |
Synonym |
 |
TRO |
| Spiraea kwangsiensis T.T. Yu |
Accepted |
 |
TRO |
| Spiraea kweichowensis T.T. Yu & L.T. Lu |
Accepted |
 |
TRO |
| Spiraea laeta Rehder |
Accepted |
 |
TRO |
| Spiraea laevigata L. |
Synonym |
 |
TRO |
| Spiraea lanceolata Comm. ex Poir. |
Unresolved |
 |
TRO |
| Spiraea lasiocarpa Kar. & Kir. |
Unresolved |
 |
TRO |
| Spiraea latifolia (Aiton) Borkh. |
Synonym |
 |
TRO |
| Spiraea latifolia var. septentrionalis Fernald |
Synonym |
 |
TRO |
| Spiraea laucheana Koehne |
Synonym |
 |
TRO |
| Spiraea lichiangensis W.W. Sm. |
Accepted |
 |
TRO |
| Spiraea lindleyana Wall. |
Unresolved |
 |
TRO |
| Spiraea litwinowii Dobrocz. |
Unresolved |
 |
TRO |
| Spiraea lobata Gronov. ex Jacq. |
Synonym |
 |
TRO |
| Spiraea lobulata T.T. Yu & L.T. Lu |
Accepted |
 |
TRO |
| Spiraea longigemmis Maxim. |
Accepted |
 |
TRO |
| Spiraea lucida Douglas ex Greene |
Synonym |
 |
TRO |
| Spiraea lucida var. rosea (A. Gray) Greene |
Unresolved |
 |
TRO |
| Spiraea mairei H. Lév. |
Synonym |
 |
TRO |
| Spiraea martini H. Lév. |
Accepted |
 |
TRO |
| Spiraea martini var. martini |
Accepted |
 |
TRO |
| Spiraea maximowicziana C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea media Schmidt |
Accepted |
 |
TRO |
| Spiraea media subsp. polonica Dostál |
Synonym |
 |
TRO |
| Spiraea media var. sericea (Turcz.) Maxim. |
Synonym |
 |
TRO |
| Spiraea menziesii Hook. |
Synonym |
 |
TRO |
| Spiraea menziesii var. pyramidata (91+(pro sp.)+) Piper |
Unresolved |
 |
TRO |
| Spiraea mexicana Schiede ex Regel |
Synonym |
 |
TRO |
| Spiraea micrantha Hook. f. |
Unresolved |
 |
TRO |
| Spiraea microgyna Nakai |
Unresolved |
 |
TRO |
| Spiraea microphylla H. Lév. |
Synonym |
 |
TRO |
| Spiraea millefolium Torr. |
Synonym |
 |
TRO |
| Spiraea miyabei Koidz. |
Accepted |
 |
TRO |
| Spiraea mollifolia Rehder |
Accepted |
 |
TRO |
| Spiraea mongolica Maxim. |
Accepted |
 |
TRO |
| Spiraea mongolica var. mongolica |
Accepted |
 |
TRO |
| Spiraea mongolica var. pubescens Y.Z. Zhao & T.J. Wang |
Synonym |
 |
TRO |
| Spiraea mongolica var. tomentulosa T.T. Yu |
Accepted |
 |
TRO |
| Spiraea monogyna Torr. |
Unresolved |
 |
TRO |
| Spiraea morrisonicola Hayata |
Accepted |
 |
TRO |
| Spiraea muliensis T.T. Yu & L.T. Lu |
Accepted |
 |
TRO |
| Spiraea myrtilloides Rehder |
Accepted |
 |
TRO |
| Spiraea myrtilloides var. myrtilloides |
Accepted |
 |
TRO |
| Spiraea nervosa Franch. & Sav. |
Synonym |
 |
TRO |
| Spiraea ningshiaensis T.T. Yu & L.T. Lu |
Accepted |
 |
TRO |
| Spiraea nishimurae Kitag. |
Accepted |
 |
TRO |
| Spiraea northcraftii I.M. Johnst. |
Synonym |
 |
TRO |
| Spiraea obovata Raf. |
Unresolved |
 |
TRO |
| Spiraea obtusa Nakai |
Synonym |
 |
TRO |
| Spiraea occidentalis S. Watson |
Synonym |
 |
TRO |
| Spiraea opulifolia L. |
Synonym |
 |
TRO |
| Spiraea opulifolia var. pauciflora Torr. & A. Gray |
Synonym |
 |
TRO |
| Spiraea opulifolia var. tomentella Ser. |
Synonym |
 |
TRO |
| Spiraea ostryfolia Raf. |
Unresolved |
 |
TRO |
| Spiraea ouensanensis H. Lév. |
Synonym |
 |
TRO |
| Spiraea ovalis Rehder |
Accepted |
 |
TRO |
| Spiraea palmata Pall. |
Synonym |
 |
TRO |
| Spiraea papillosa Rehder |
Accepted |
 |
TRO |
| Spiraea parvifolia Benth. |
Synonym |
 |
TRO |
| Spiraea pauciflora Nutt. ex Torr. & A. Gray |
Unresolved |
 |
TRO |
| Spiraea pectinata (Pursh) Torr. & A. Gray |
Synonym |
 |
TRO |
| Spiraea pikoviensis Besser |
Unresolved |
 |
TRO |
| Spiraea pilosa Franch. |
Unresolved |
 |
TRO |
| Spiraea polonica BLocki |
Accepted |
 |
TRO |
| Spiraea prattii C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea prostrata Maxim. |
Accepted |
 |
TRO |
| Spiraea prunifolia Siebold & Zucc. |
Accepted |
 |
TRO |
| Spiraea prunifolia var. hupehensis (Rehder) Rehder |
Accepted |
 |
TRO |
| Spiraea prunifolia var. plena C.K. Schneid. |
Synonym |
 |
TRO |
| Spiraea prunifolia var. prunifolia |
Accepted |
 |
TRO |
| Spiraea prunifolia var. pseudoprunifolia (Hayata ex Nakai) H.L. Li |
Accepted |
 |
TRO |
| Spiraea prunifolia var. simpliciflora (Nakai) Nakai |
Accepted |
 |
TRO |
| Spiraea prunifolia f. simpliciflora Nakai |
Synonym |
 |
TRO |
| Spiraea pseudocrenata Nakai |
Unresolved |
 |
TRO |
| Spiraea pseudoprunifolia Hayata ex Nakai |
Synonym |
 |
TRO |
| Spiraea pubescens Turcz. |
Accepted |
 |
TRO |
| Spiraea pubescens var. pubescens |
Accepted |
 |
TRO |
| Spiraea purpurea Hand.-Mazz. |
Accepted |
 |
TRO |
| Spiraea × pyramidata 91+(pro sp.)+ |
Synonym |
 |
TRO |
| Spiraea reevesiana Lindl. |
Synonym |
 |
TRO |
| Spiraea rosea Raf. |
Synonym |
 |
TRO |
| Spiraea roseata Rydb. |
Synonym |
 |
TRO |
| Spiraea rosthornii E. Pritz. |
Accepted |
 |
TRO |
| Spiraea rotundifolia Lindl. |
Synonym |
 |
TRO |
| Spiraea rubiacea Wall. |
Synonym |
 |
TRO |
| Spiraea rubra (Hill) Britton |
Synonym |
 |
TRO |
| Spiraea salicifolia L. |
Accepted |
 |
TRO |
| Spiraea salicifolia var. humilis HARA |
Synonym |
 |
TRO |
| Spiraea salicifolia var. latifolia Aiton |
Synonym |
 |
TRO |
| Spiraea sargentiana Rehder |
Accepted |
 |
TRO |
| Spiraea schinabecki Zabel |
Unresolved |
 |
TRO |
| Spiraea schneideriana Rehder |
Accepted |
 |
TRO |
| Spiraea schochiana Rehder |
Accepted |
 |
TRO |
| Spiraea septentrionalis (Fernald) Á. Löve & D. Löve |
Synonym |
 |
TRO |
| Spiraea sericea Turcz. |
Accepted |
 |
TRO |
| Spiraea siccanea (W.W. Sm.) Rehder |
Accepted |
 |
TRO |
| Spiraea silvestris Nakai |
Synonym |
 |
TRO |
| Spiraea simplex Greene |
Unresolved |
 |
TRO |
| Spiraea simpliciflora (Nakai) Nakai |
Synonym |
 |
TRO |
| Spiraea sinobrahuica W.W. Sm. |
Synonym |
 |
TRO |
| Spiraea sinobrahuica var. aridicola W.W. Sm. |
Synonym |
 |
TRO |
| Spiraea sorbifolia L. |
Synonym |
 |
TRO |
| Spiraea sororia Penny ex G. Don |
Unresolved |
 |
TRO |
| Spiraea splendens Baumann ex K. Koch |
Synonym |
 |
TRO |
| Spiraea stevenii (C.K. Schneid.) Rydb. |
Accepted |
 |
TRO |
| Spiraea stipulata Muhl. ex Willd. |
Synonym |
 |
TRO |
| Spiraea subcanescens Rydb. |
Unresolved |
 |
TRO |
| Spiraea sublobata Hand.-Mazz. |
Accepted |
 |
TRO |
| Spiraea subvillosa Rydb. |
Unresolved |
 |
TRO |
| Spiraea tarokoensis Hayata |
Accepted |
 |
TRO |
| Spiraea teniana Rehder |
Accepted |
 |
TRO |
| Spiraea teniana var. mairei (H. Lév.) L.T. Lu |
Accepted |
 |
TRO |
| Spiraea teretiuscula C.K. Schneid. |
Accepted |
 |
TRO |
| Spiraea thalictroides Pall. |
Synonym |
 |
TRO |
| Spiraea thibetica Bureau & Franch. |
Accepted |
 |
TRO |
| Spiraea thunbergii Siebold ex Blume |
Accepted |
 |
TRO |
| Spiraea thyrsiflora K. Koch |
Synonym |
 |
TRO |
| Spiraea tianschanica Pojark. |
Unresolved |
 |
TRO |
| Spiraea tibetica T.T. Yu & L.T. Lu |
Synonym |
 |
TRO |
| Spiraea tomentosa var. rosea (Raf.) Fernald |
Unresolved |
 |
TRO |
| Spiraea tomentulosa (T.T. Yu) Y.Z. Zhao |
Synonym |
 |
TRO |
| Spiraea tortuosa Rehder |
Synonym |
 |
TRO |
| Spiraea trichocarpa Nakai |
Accepted |
 |
TRO |
| Spiraea trifoliata L. |
Synonym |
 |
TRO |
| Spiraea trilobata L. |
Accepted |
 |
TRO |
| Spiraea ulmaria L. |
Synonym |
 |
TRO |
| Spiraea ulmifolia Scop. |
Accepted |
 |
TRO |
| Spiraea uniflora (S. Watson) Piper |
Synonym |
 |
TRO |
| Spiraea uralensis Franch. |
Unresolved |
 |
TRO |
| Spiraea uratensis Franch. |
Accepted |
 |
TRO |
| Spiraea ussuriensis Pojark. |
Synonym |
 |
TRO |
| Spiraea × vanhouttei (Briot) Carrière |
Accepted |
 |
TRO |
| Spiraea veitchii Hemsl. |
Accepted |
 |
TRO |
| Spiraea velutina Franch. |
Accepted |
 |
TRO |
| Spiraea vestita Wall. ex G. Don |
Synonym |
 |
TRO |
| Spiraea virgata Franch. |
Synonym |
 |
TRO |
| Spiraea virginiana Britton |
Unresolved |
 |
TRO |
| Spiraea wardii W.W. Sm. |
Unresolved |
 |
TRO |
| Spiraea wilsonii Duthie |
Accepted |
 |
TRO |
| Spiraea xizangensis L.T. Lu |
Accepted |
 |
TRO |
| Spiraea yunnanensis Franch. |
Accepted |
 |
TRO |
| Spiraea yunnanensis var. siccanea W.W. Sm. |
Synonym |
 |
TRO |
| Spiraea yunnanensis f. tortuosa (Rehder) Rehder |
Synonym |
 |
TRO |