| 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 |