| Cypripedium acaule Aiton | Accepted |  | WCSP | 
	
		| Cypripedium acaule f. albiflora E.L.Rand & Redfield | Synonym |  | WCSP | 
	
		| Cypripedium acaule f. biflorum P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium acaule f. lancifolia House | Synonym |  | WCSP | 
	
		| Cypripedium × adonis B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × adrastus auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × aeson auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium agnicapitatum Y.N.Lee | Accepted |  | WCSP | 
	
		| Cypripedium × ainsworthii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × alaskanum P.M.Br. | Accepted |  | WCSP | 
	
		| Cypripedium × albanense (A.H.Kent) Measures | Synonym |  | WCSP | 
	
		| Cypripedium × albertianum Hye | Synonym |  | WCSP | 
	
		| Cypripedium × albopurpureum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium album Aiton | Synonym |  | WCSP | 
	
		| Cypripedium × album Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × alcides Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × alfredii N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × alice N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × allanianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × almum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium alternifolium St.-Lag. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × amabile Bleu [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × amandum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × amesianum B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium amesianum Schltr. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × andrewsii Fuller | Accepted |  | WCSP | 
	
		| Cypripedium × antigone Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × aphrodite A.H.Kent [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × apiculatum Veitch ex Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium appletonianum Gower | Synonym |  | WCSP | 
	
		| Cypripedium argus Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium arietinum R.Br. | Accepted |  | WCSP | 
	
		| Cypripedium arietinum Franch. | Synonym |  | TRO | 
	
		| Cypripedium arietinum f. albiflorum House | Synonym |  | WCSP | 
	
		| Cypripedium arietinum f. biflorum P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium × arnoldiae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × arnoldianum Manda [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × arthurianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × ashburtoniae Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × ashtonii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × ashworthiae B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium assamicum Linden ex K.Koch & Fintelm. | Synonym |  | WCSP | 
	
		| Cypripedium assurgens Raf. | Synonym |  | WCSP | 
	
		| Cypripedium atsmori C.Morren | Synonym |  | WCSP | 
	
		| Cypripedium × atys Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium aureum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium × auroreum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × aylingii L.Castle [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × baconis Kraenzl. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × barbatoveitchianum Bleu | Synonym |  | WCSP | 
	
		| Cypripedium barbatum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium barbatum var. superbum E.Morren | Synonym |  | WCSP | 
	
		| Cypripedium barbatum var. veitchii Van Houtte | Synonym |  | WCSP | 
	
		| Cypripedium barbatum var. warnerianum T.Moore | Synonym |  | WCSP | 
	
		| Cypripedium × barbeyi E.G.Camus, Bergon & A.Camus | Synonym |  | WCSP | 
	
		| Cypripedium bardolphianum W.W.Sm. & Farrer | Accepted |  | WCSP | 
	
		| Cypripedium bardolphianum subsp. forrestii (P.J.Cribb) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium bardolphianum var. zhongdianense S.C.Chen | Synonym |  | WCSP | 
	
		| Cypripedium × bartetii Carrière | Synonym |  | WCSP | 
	
		| Cypripedium × beatrice N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × beechense auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × behrensianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium bellatulum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × berenice Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × berggrenianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × beyorodtianum hort. | Synonym |  | TRO | 
	
		| Cypripedium bifidum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium binotii auct. | Synonym |  | WCSP | 
	
		| Cypripedium × boccardianum Cogn. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium boissierianum Rchb.f. & Warsz. | Synonym |  | WCSP | 
	
		| Cypripedium × bolerlaerianum Pauwels [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium boreale Salisb. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium bouffordianum Yong H.Zhang & H.Sun | Synonym |  | WCSP | 
	
		| Cypripedium boxallii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × bragaianum L.Linden | Synonym |  | WCSP | 
	
		| Cypripedium × brownii auct. | Synonym |  | WCSP | 
	
		| Cypripedium × bryanii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × brysa auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × buchananianum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × buchanianum Gower [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium bulbosum L. | Synonym |  | WCSP | 
	
		| Cypripedium bulbosum var. flavescens (DC.) Farw. | Synonym |  | WCSP | 
	
		| Cypripedium bulbosum var. parviflorum (Salisb.) Farw. | Synonym |  | WCSP | 
	
		| Cypripedium bulbosum var. pubescens (Willd.) Farw. | Synonym |  | WCSP | 
	
		| Cypripedium bullenianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium bullenianum var. appletonianum (Gower) Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × burbidgei Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × burfordiense Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × burtonii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × calanthum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium calceolus L. | Accepted |  | WCSP | 
	
		| Cypripedium calceolus f. biflorum Rouy | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. citrina B.Hergt | Synonym |  | WCSP | 
	
		| Cypripedium calceolus subsp. parviflorum (Salisb.) Hultén | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. parviflorum (Salisb.) Fernald | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. planipetalum (Fernald) Victorin & J.Rousseau | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. pubescens (Willd.) Correll | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. rubrum Georgi | Synonym |  | WCSP | 
	
		| Cypripedium calceolus f. rupestre Vict. & J.Rousseau | Synonym |  | WCSP | 
	
		| Cypripedium calceolus f. triflorum Rouy | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. variegatum Falk | Synonym |  | WCSP | 
	
		| Cypripedium calceolus var. viridiflora M.Schulze | Synonym |  | WCSP | 
	
		| Cypripedium calcicola Schltr. | Accepted |  | WCSP | 
	
		| Cypripedium californicum A.Gray | Accepted |  | WCSP | 
	
		| Cypripedium × caligare Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium callosum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium callosum var. sublaeve Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × calophyllum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × calurum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × calurum var. rougieri God.-Leb. | Synonym |  | WCSP | 
	
		| Cypripedium × calypso B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × cambridgeanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium canadense Michx. | Synonym |  | WCSP | 
	
		| Cypripedium candidum Muhl. ex Willd. | Accepted |  | WCSP | 
	
		| Cypripedium × canhamiae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium cannartianum Linden | Synonym |  | WCSP | 
	
		| Cypripedium × cardinale Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium cardiophyllum Franch. & Sav. | Synonym |  | WCSP | 
	
		| Cypripedium caricinum Lindl. & Paxton | Synonym |  | WCSP | 
	
		| Cypripedium × carnusianum H.J.Veitch [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × carrierei auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × cassiope Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × castleanum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium cathayenum S.S.Chien | Synonym |  | WCSP | 
	
		| Cypripedium × catherinae Aver. | Accepted |  | WCSP | 
	
		| Cypripedium caudatum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium caudatum var. lindenii (Lindl.) A.H.Kent | Synonym |  | WCSP | 
	
		| Cypripedium caudatum var. roseum Delchev. | Synonym |  | WCSP | 
	
		| Cypripedium caudatum var. uropedium Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium caudatum var. wallisii (Rchb.f.) A.H.Kent | Synonym |  | WCSP | 
	
		| Cypripedium caudatum var. warscewiczii (Rchb.f.) Kerch. | Synonym |  | WCSP | 
	
		| Cypripedium × celia Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × ceres N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium chamberlainianum O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium chamberlainianum subsp. liemiana Fowlie | Synonym |  | TRO | 
	
		| Cypripedium chantinii auct. | Synonym |  | WCSP | 
	
		| Cypripedium × charlesianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium charlesworthii Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × chelseense Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium cheniae Torelli | Synonym |  | WCSP | 
	
		| Cypripedium chica (Rchb.f.) Pfitzer | Synonym |  | WCSP | 
	
		| Cypripedium chinense Franch. | Synonym |  | WCSP | 
	
		| Cypripedium × chloroneurum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × chlorops Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × chrysocomes Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium ciliolare Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium ciliolare var. miteauanum Linden | Synonym |  | WCSP | 
	
		| Cypripedium × claptonense Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × claudii L.Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × cleopatra O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × clinkaberryanum O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × clonius auct. | Synonym |  | WCSP | 
	
		| Cypripedium × columbianum Sheviak | Accepted |  | WCSP | 
	
		| Cypripedium compactum Measures [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium compactum Schltr. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × conchiferum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × concinnum W.Bull [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × concolawre auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium concolor Lindl. ex Bateman | Synonym |  | WCSP | 
	
		| Cypripedium concolor Lindl. | Synonym |  | TRO | 
	
		| Cypripedium concolor var. chlorophyllum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium concolor var. longipetalum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium concolor var. reynieri Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium concolor var. sulphurinum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium concolor var. tonkinense God.-Leb. | Synonym |  | WCSP | 
	
		| Cypripedium × conspicuum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × constableanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × constance N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × coppinianum Measures [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × corbeillense Maron [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium cordigerum D.Don | Accepted |  | WCSP | 
	
		| Cypripedium × corndeanii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × corningianum auct. | Synonym |  | WCSP | 
	
		| Cypripedium corrugatum Franch. | Synonym |  | WCSP | 
	
		| Cypripedium corrugatum var. obesum Franch. | Synonym |  | WCSP | 
	
		| Cypripedium cothurnum Vell. | Synonym |  | WCSP | 
	
		| Cypripedium × cowleyanum O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium crawshayae O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium × creon B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × crossianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium crossii C.Morren | Synonym |  | WCSP | 
	
		| Cypripedium cruciatum Dulac [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium cruciforme Zoll. & Moritzi | Synonym |  | WCSP | 
	
		| Cypripedium curtisii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium curtisii var. sanderae Curtis | Synonym |  | WCSP | 
	
		| Cypripedium × cythera Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium czerwiakowianum (Rchb.f. & Warsz.) Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium × daisyae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium daliense S.C.Chen & J.L.Wu | Synonym |  | WCSP | 
	
		| Cypripedium × dallemagnei auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium dariense Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium daultonii V.G.Soukup [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × dauthieri Rchb.f. ex Kittel | Synonym |  | WCSP | 
	
		| Cypripedium × daviesianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium daweishanense (S.C.Chen & Z.J.Liu) S.C.Chen & Z.J.Liu | Accepted |  | WCSP | 
	
		| Cypripedium dayanum (Lindl.) Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium debile Rchb.f. | Accepted |  | WCSP | 
	
		| Cypripedium × debosscherianum Desbois [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium delenatii (Guillaumin) C.H.Curtis | Synonym |  | WCSP | 
	
		| Cypripedium × delicatulum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × delicatum B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × denisianum O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × desboisianum Bosschere | Synonym |  | WCSP | 
	
		| Cypripedium × diana B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × dibdin Desbois | Synonym |  | WCSP | 
	
		| Cypripedium dickinsonianum Hágsater | Accepted |  | WCSP | 
	
		| Cypripedium dilectum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × discolor Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × doliare Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium dominianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × donatianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × doris Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium druryi Bedd. | Synonym |  | WCSP | 
	
		| Cypripedium ebracteatum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × edithae Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium × edwardii Tate [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium elatum Poit. ex Perr. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × electra Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium elegans Rchb.f. | Accepted |  | WCSP | 
	
		| Cypripedium × elinor N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium elliottianum O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium × elsteadianum Measures [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × enfieldiense auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × engelhardtae L.Linden | Synonym |  | WCSP | 
	
		| Cypripedium epidendricum Vell. | Synonym |  | WCSP | 
	
		| Cypripedium ernestianum L.Castle | Synonym |  | WCSP | 
	
		| Cypripedium × eucharis Desbois [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × euryale A.H.Kent [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × euryandrum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × excellens auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium exul (Ridl.) Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × eyermannianum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium fairrieanum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium fargesii Franch. | Accepted |  | WCSP | 
	
		| Cypripedium farreri W.W.Sm. | Accepted |  | WCSP | 
	
		| Cypripedium fasciculatum Kellogg ex S.Watson | Accepted |  | WCSP | 
	
		| Cypripedium fasciculatum f. purpureum P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium fasciculatum var. pusillum (Rolfe) Hook.f. | Synonym |  | WCSP | 
	
		| Cypripedium fasciculatum f. viride P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium × fascinatum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium fasciolatum Franch. | Accepted |  | WCSP | 
	
		| Cypripedium fasciolatum subsp. farreri (W.W.Sm.) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium × favillianum J.T.Curtis | Synonym |  | WCSP | 
	
		| Cypripedium ferrugineum Gray [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × festum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × figaro O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × fitchianum L.O.Williams | Synonym |  | WCSP | 
	
		| Cypripedium flavescens DC. | Synonym |  | WCSP | 
	
		| Cypripedium flavescens A. DC. | Synonym |  | TRO | 
	
		| Cypripedium flavum P.F.Hunt & Summerh. | Accepted |  | WCSP | 
	
		| Cypripedium × fordianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium formosanum Hayata | Accepted |  | WCSP | 
	
		| Cypripedium forrestii P.J.Cribb | Accepted |  | WCSP | 
	
		| Cypripedium × fowlerianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium franchetii Rolfe | Accepted |  | WCSP | 
	
		| Cypripedium × fraseri Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × freynii Karo | Synonym |  | WCSP | 
	
		| Cypripedium froschii Perner | Synonym |  | WCSP | 
	
		| Cypripedium furcatum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium × galatea Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium gardineri Guillemard | Synonym |  | WCSP | 
	
		| Cypripedium × gaskellianum Gower | Synonym |  | WCSP | 
	
		| Cypripedium × gemmiferum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × germinyanum Veitch ex Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × gibezianum L.Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × gigas O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium glanduliferum Blume | Synonym |  | WCSP | 
	
		| Cypripedium glaucophyllum (J.J.Sm.) Mast. | Synonym |  | WCSP | 
	
		| Cypripedium × gloriosum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium godefroyae God.-Leb. | Synonym |  | WCSP | 
	
		| Cypripedium godefroyae var. leucochilum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × godseffianum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × goweri auct. | Synonym |  | WCSP | 
	
		| Cypripedium gracile A.H.Kent | Synonym |  | WCSP | 
	
		| Cypripedium × grande Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium grandiflorum Pav. ex Rchb. f. | Synonym |  | TRO | 
	
		| Cypripedium gratrixianum B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium gratrixianum Mast. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × gravesiae R.M.Grey [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × grayanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium guttatum Sw. | Accepted |  | WCSP | 
	
		| Cypripedium guttatum f. albiflorum Aver. | Synonym |  | WCSP | 
	
		| Cypripedium guttatum subsp. guttatum | Synonym |  | TRO | 
	
		| Cypripedium guttatum var. koreanum Nakai | Synonym |  | WCSP | 
	
		| Cypripedium guttatum f. latifolium Rouy ex E.G.Camus | Synonym |  | WCSP | 
	
		| Cypripedium guttatum subsp. microsaccos (Kraenzl.) Soó | Synonym |  | WCSP | 
	
		| Cypripedium guttatum f. punicum Y.N.Lee | Synonym |  | WCSP | 
	
		| Cypripedium guttatum var. redowskii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium guttatum f. redowskii (Rchb.f.) Soó | Synonym |  | WCSP | 
	
		| Cypripedium guttatum var. segawae (Masam.) S.S.Ying | Synonym |  | WCSP | 
	
		| Cypripedium guttatum var. wardii (Rolfe) P.Taylor | Synonym |  | WCSP | 
	
		| Cypripedium guttatum var. yatabeanum (Makino) Pfitzer | Synonym |  | WCSP | 
	
		| Cypripedium guttatum subsp. yatabeanum (Makino) Hultén | Synonym |  | WCSP | 
	
		| Cypripedium guttatum var. yatabeanum Pfitz. | Synonym |  | TRO | 
	
		| Cypripedium guttatum subsp. yatabeanum Soó | Synonym |  | TRO | 
	
		| Cypripedium × hardyanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × harrisianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium hartwegii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium haynaldianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × haywoodianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium henryi Rolfe | Accepted |  | WCSP | 
	
		| Cypripedium × hephaestus A.H.Kent [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × hera Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × herae Ewacha & Sheviak | Accepted |  | WCSP | 
	
		| Cypripedium × hermione O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium himalaicum Rolfe | Accepted |  | WCSP | 
	
		| Cypripedium hincksianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium hirsutissimum Lindl. ex Hook. | Synonym |  | WCSP | 
	
		| Cypripedium hirsutum Mill. | Synonym |  | WCSP | 
	
		| Cypripedium hirsutum f. album R.Hoffm. | Synonym |  | WCSP | 
	
		| Cypripedium hirsutum var. parviflorum (Salisb.) Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium hookerae Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium hookerae var. volonteanum Sander ex Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × horneri auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × hornianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × houtteanum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium humboldtii Warsz. ex Rchb.f. [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium humile Salisb. | Synonym |  | WCSP | 
	
		| Cypripedium × hurellianum R.M.Grey [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × huybrechtsianum Vervaet ex Bosschere | Synonym |  | WCSP | 
	
		| Cypripedium hyeanum L.Linden & Rodigas | Synonym |  | WCSP | 
	
		| Cypripedium insigne Wall. ex Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium insigne var. exul Ridl. | Synonym |  | WCSP | 
	
		| Cypripedium insigne var. sanderae Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium insigne var. sanderianum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × inspirator Kerch. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × io Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium irapeanum Lex. | Accepted |  | WCSP | 
	
		| Cypripedium irapeanum subsp. molle (Lindl.) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium isabelianum (Barb.Rodr.) Pucci | Synonym |  | WCSP | 
	
		| Cypripedium × janus auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium japonicum Thunb. | Accepted |  | WCSP | 
	
		| Cypripedium japonicum var. formosanum (Hayata) S.S.Ying | Synonym |  | WCSP | 
	
		| Cypripedium japonicum var. glabrum M.Suzuki | Synonym |  | WCSP | 
	
		| Cypripedium javanicum Reinw. ex Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium javanicum Reinw. ex Blume | Synonym |  | TRO | 
	
		| Cypripedium × johnsonianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × joungianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × juno N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium kentuckiense C.F.Reed | Accepted |  | WCSP | 
	
		| Cypripedium kentuckiense f. pricei P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium kentuckiense f. summersii P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium × kesselringii G.Keller | Synonym |  | WCSP | 
	
		| Cypripedium × kimballianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium kimballianum L. Linden | Synonym |  | TRO | 
	
		| Cypripedium klotzschianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium knightae A.Nelson | Synonym |  | WCSP | 
	
		| Cypripedium × krylowii Siuzew | Synonym |  | WCSP | 
	
		| Cypripedium laevigatum Bateman | Synonym |  | WCSP | 
	
		| Cypripedium × laforcadei F.A.Bauer ex Godefroy | Synonym |  | WCSP | 
	
		| Cypripedium × landonii Garay | Synonym |  | WCSP | 
	
		| Cypripedium lang-rhoa Gattef. | Synonym |  | WCSP | 
	
		| Cypripedium lanuginosum Schltr. | Synonym |  | WCSP | 
	
		| Cypripedium × lathamianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × lathamii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × laurae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × laurebellum Lawr. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × lawrebel Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium lawrenceanum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium lawrenceanum var. hyeanum L.Linden & Rodigas | Synonym |  | WCSP | 
	
		| Cypripedium × lebaudyanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × leda auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × ledouxiae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × leeanum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × lemoineanum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × lemoinierianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium lentiginosum P.J.Cribb & S.C.Chen | Accepted |  | WCSP | 
	
		| Cypripedium × leonae Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × leopoldianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × leucorrhodum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium lexarzae Scheidw. | Synonym |  | WCSP | 
	
		| Cypripedium × leysenianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium lichiangense S.C.Chen & P.J.Cribb | Accepted |  | WCSP | 
	
		| Cypripedium lichiangense var. daweishanense S.C.Chen & Z.J.Liu | Synonym |  | WCSP | 
	
		| Cypripedium lichiangense subsp. lentiginosum (P.J.Cribb & S.C.Chen) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium lindenii (Lindl.) Van Houtte | Synonym |  | WCSP | 
	
		| Cypripedium lindleyanum M.R.Schomb. ex Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium linearisubulatum Llanos | Synonym |  | WCSP | 
	
		| Cypripedium × lineolare Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × littleanum auct. | Synonym |  | WCSP | 
	
		| Cypripedium longifolium Warsz. & Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium longifolium var. gracile (A.H.Kent) Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium longifolium var. hartwegii (Rchb.f.) A.H.Kent | Synonym |  | WCSP | 
	
		| Cypripedium × loochristianum Bosschere [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × louisae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium lowii Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium × lucidum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × lucienianum auct. | Synonym |  | WCSP | 
	
		| Cypripedium ludlowii P.J.Cribb | Accepted |  | WCSP | 
	
		| Cypripedium luteum Franch. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium luteum Aiton ex Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. angustifolium Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. biflorum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. concolor Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. glabrum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. grandiflorum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. maculatum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. parviflorum (Salisb.) Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luteum var. pubescens (Willd.) Raf. | Synonym |  | WCSP | 
	
		| Cypripedium luzmarianum R.González & R.Ramírez | Synonym |  | WCSP | 
	
		| Cypripedium × lynchianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × macfarlanei Kraenzl. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium macranthon Sw. | Accepted |  | TRO | 
	
		| Cypripedium macranthon var. albiflorum Makino | Synonym |  | TRO | 
	
		| Cypripedium macranthon f. albiflorum (Makino) Ohwi | Accepted |  | TRO | 
	
		| Cypripedium macranthos Sw. | Accepted |  | WCSP | 
	
		| Cypripedium macranthos f. albiflorum (Makino) Ohwi | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. albiflorum Makino | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. atropurpureum Aver. | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. flavum Mandl | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. himalaicum (Rolfe) Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. maximum Nakai | Synonym |  | WCSP | 
	
		| Cypripedium macranthos f. rebunense (Kudô) Ohwi | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. speciosum (Rolfe) Koidz. | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. taiwanianum F. Maek. | Synonym |  | TRO | 
	
		| Cypripedium macranthos var. tibeticum (King ex Rolfe) Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium macranthos subsp. ventricosum (Sw.) Printz | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. ventricosum (Sw.) Rchb. | Synonym |  | WCSP | 
	
		| Cypripedium macranthos var. villosum Hand.-Mazz. | Synonym |  | WCSP | 
	
		| Cypripedium × macrochilum O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium × macropterum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × maesereelianum Rodigas [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × magdalana O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium makasin Farw. | Synonym |  | WCSP | 
	
		| Cypripedium malipoense S.C.Chen & Z.J.Liu | Accepted |  | WCSP | 
	
		| Cypripedium × manchuricum Stapf | Synonym |  | WCSP | 
	
		| Cypripedium × manchuricum var. virescens Stapf | Synonym |  | WCSP | 
	
		| Cypripedium manshuricum Stapf | Unresolved |  | TRO | 
	
		| Cypripedium margaritaceum Franch. | Accepted |  | WCSP | 
	
		| Cypripedium margaritaceum var. fargesii (Franch.) Pfitzer | Synonym |  | WCSP | 
	
		| Cypripedium margaritaceum subsp. fargesii (Franch.) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium margaritaceum subsp. sichuanense (Perner) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium × marmoratum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × marmorophyllum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × masonii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × massainum Weathers [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium mastersianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium maulei auct. | Synonym |  | WCSP | 
	
		| Cypripedium × mauriceanum Bosschere [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × maynardii Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × measuresianum L.O.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × meirax Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × melanophthalmum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × memoria-fournieri Cogn. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × memoria-moensi L.Linden | Synonym |  | WCSP | 
	
		| Cypripedium micranthum Franch. | Accepted |  | WCSP | 
	
		| Cypripedium microsaccos Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium × millmanii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × minerva Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × minos Veitch ex B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium miteauanum L.Linden & Rodigas | Synonym |  | WCSP | 
	
		| Cypripedium moensianum auct. | Synonym |  | WCSP | 
	
		| Cypripedium moensii auct. | Synonym |  | WCSP | 
	
		| Cypripedium molle Lindl. | Accepted |  | WCSP | 
	
		| Cypripedium montanum Douglas ex Lindl. | Accepted |  | WCSP | 
	
		| Cypripedium montanum f. praetertinctum Sheviak | Synonym |  | WCSP | 
	
		| Cypripedium montanum f. welchii P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium × morganiae Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium morinanthum Y.N.Lee | Accepted |  | WCSP | 
	
		| Cypripedium × murillo Desbois [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × nandi auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium neoguineense Linden [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium neoparviflorum Y.N.Lee | Accepted |  | WCSP | 
	
		| Cypripedium × nicholsonianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium nigritum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × niobe Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × nitens Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × nitidissimum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium niveum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium niveum var. album auct. | Synonym |  | WCSP | 
	
		| Cypripedium × numa Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium nutans Schltr. | Synonym |  | WCSP | 
	
		| Cypripedium × obscurum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium occidentale S.Watson | Synonym |  | WCSP | 
	
		| Cypripedium × oenone Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × olenus Measures [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × orbum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × orestes A.H.Kent [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium orientale Spreng. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × ornatum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × orphanorum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × orphanum Veitch ex Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × orpheus Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × pageanum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium palangshanense Tang & F.T.Wang | Accepted |  | WCSP | 
	
		| Cypripedium × pallas N.E.Br. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium palmifolium Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium papuanum Ridl. ex Rendle | Synonym |  | WCSP | 
	
		| Cypripedium pardeti hort. | Unresolved |  | TRO | 
	
		| Cypripedium pardinum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × paris Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium parishii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × parksianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium parviflorum Salisb. | Accepted |  | WCSP | 
	
		| Cypripedium parviflorum f. albolabium Magrath & J.L.Norman | Synonym |  | WCSP | 
	
		| Cypripedium parviflorum var. makasin (Farw.) Sheviak | Accepted |  | WCSP | 
	
		| Cypripedium parviflorum var. parviflorum | Accepted |  | WCSP | 
	
		| Cypripedium parviflorum var. planipetalum Fernald | Synonym |  | WCSP | 
	
		| Cypripedium parviflorum var. pubescens (Willd.) O.W.Knight | Accepted |  | WCSP | 
	
		| Cypripedium parvulum Fedde | Unresolved |  | TRO | 
	
		| Cypripedium passerinum Richardson | Accepted |  | WCSP | 
	
		| Cypripedium passerinum var. minganense Vict. | Synonym |  | WCSP | 
	
		| Cypripedium passerinum f. minganense (Vict.) P.M.Br. | Synonym |  | WCSP | 
	
		| Cypripedium × patens Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × paulii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium paulistanum Barb.Rodr. | Synonym |  | WCSP | 
	
		| Cypripedium × pavoninum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium pearcei (Rchb.f.) Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium pearcei (Rchb. f.) hort. ex J.H. Veitch | Synonym |  | TRO | 
	
		| Cypripedium × peetersianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × penalus Weathers | Synonym |  | WCSP | 
	
		| Cypripedium × pendulum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × penelans H.J.Veitch [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × pereirae Ridl. | Synonym |  | WCSP | 
	
		| Cypripedium × perseus Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × peruzzisnum Recenti [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium peteri Rchb.f. [Spelling variant] | Synonym |  | WCSP | 
	
		| Cypripedium petri Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × phaedra Weathers | Synonym |  | WCSP | 
	
		| Cypripedium philippinense Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium philippinense var. roebelenii A.H.Kent | Synonym |  | WCSP | 
	
		| Cypripedium × picturatum Lawr. | Synonym |  | WCSP | 
	
		| Cypripedium pitcherianum Manda | Synonym |  | WCSP | 
	
		| Cypripedium × pitcherianum Rchb.f. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium planipetalum (Fernald) F.J.A.Morris | Synonym |  | WCSP | 
	
		| Cypripedium × platycolor auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium platytaenium Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium plectrochilum Franch. | Accepted |  | WCSP | 
	
		| Cypripedium × pleistochlorum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × plunerum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × politum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × pollettianum Rolfe [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × polystigmaticum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × porphyreum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × porphyrospilum B.S.Williams [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × porphyrospilum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × poyntzianum O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium praestans Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium praestans var. kimballianum Linden & Rodigas | Synonym |  | WCSP | 
	
		| Cypripedium × pryorianum B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium pubescens Willd. | Synonym |  | WCSP | 
	
		| Cypripedium pubescens var. makasin Farw. | Synonym |  | WCSP | 
	
		| Cypripedium pulchrum Ames & Schltr. | Synonym |  | WCSP | 
	
		| Cypripedium purpuratum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium purpuratum Wight [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium pusillum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × pycnopterum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × radiosum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium rebunense Kudô | Synonym |  | WCSP | 
	
		| Cypripedium × refulgens Ingram [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × regale W.Bull [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium reginae Walter | Accepted |  | WCSP | 
	
		| Cypripedium reginae f. albolabium Fernald & B.G.Schub. | Synonym |  | WCSP | 
	
		| Cypripedium reginae f. album (Aiton) House | Synonym |  | WCSP | 
	
		| Cypripedium reginae var. album (Aiton) Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium reginae var. segawae (Masam.) S.S.Ying | Synonym |  | WCSP | 
	
		| Cypripedium reichenbachianum auct. | Synonym |  | WCSP | 
	
		| Cypripedium reichenbachii W.Bull | Synonym |  | WCSP | 
	
		| Cypripedium reticulatum (Rchb.f.) Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × richardsonii B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × robinianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium robinsonii Ridl. | Synonym |  | WCSP | 
	
		| Cypripedium × robustum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium roebelenii (A.H.Kent) Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium roezlii Regel | Synonym |  | WCSP | 
	
		| Cypripedium roseum Y.N.Lee | Accepted |  | WCSP | 
	
		| Cypripedium × rossianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium rothschildianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × rubicundum Measures [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium rubronerve Cavestro | Synonym |  | WCSP | 
	
		| Cypripedium × rubrum B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium × sallieri God.-Leb. | Synonym |  | WCSP | 
	
		| Cypripedium × sanderae auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium sanderianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium sargentianum (Rolfe) Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium × saundersianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × savageanum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium schlimii Linden ex Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium schlimii var. albiflorum Linden | Synonym |  | WCSP | 
	
		| Cypripedium schmidtianum Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium schomburgkianum Klotzsch ex M.R.Schomb. | Synonym |  | WCSP | 
	
		| Cypripedium × schroederae Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × sedenii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × seegerianum B.S.Williams | Synonym |  | WCSP | 
	
		| Cypripedium segawae Masam. | Accepted |  | WCSP | 
	
		| Cypripedium × selligerum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium shanxiense S.C.Chen | Accepted |  | WCSP | 
	
		| Cypripedium × siamense Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × sibyrolense Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium sichuanense Perner | Accepted |  | WCSP | 
	
		| Cypripedium × siegerianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × signatum W.Bull [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × simonii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium sinapoides Y.N.Lee | Accepted |  | WCSP | 
	
		| Cypripedium sinicum Hance ex Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium smithii Schltr. [Illegitimate] | Synonym |  | WCSP | 
	
		| Cypripedium × smithii B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium socco Vell. | Synonym |  | WCSP | 
	
		| Cypripedium × southgatense auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium spathulata Rchb. f. | Unresolved |  | TRO | 
	
		| Cypripedium speciosum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium speciosum var. albiflorum Makino | Synonym |  | WCSP | 
	
		| Cypripedium spectabile Salisb. | Synonym |  | WCSP | 
	
		| Cypripedium spectabile var. dayanum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium spicerianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × splendens auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium splendidum Scheidw. | Synonym |  | WCSP | 
	
		| Cypripedium × statterianum B.S.Williams [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × stenophyllum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium stonei Hook. | Synonym |  | WCSP | 
	
		| Cypripedium subtropicum S.C.Chen & K.Y.Lang | Accepted |  | WCSP | 
	
		| Cypripedium × suffusum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium superbiens Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × superciliare Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × swanianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × swinburnei O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × sylvia O'Brien | Synonym |  | WCSP | 
	
		| Cypripedium szechenyiana Rchb. f. ex Kanitz | Unresolved |  | TRO | 
	
		| Cypripedium × taganti God.-Leb. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium taibaiense G.H.Zhu & S.C.Chen | Accepted |  | WCSP | 
	
		| Cypripedium taiwanianum Masam. | Synonym |  | TRO | 
	
		| Cypripedium × tautzianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × tessellatum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × thayerianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × thersites Measures [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium × thibautianum Veitch ex Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium thunbergii Blume | Synonym |  | WCSP | 
	
		| Cypripedium thunbergii f. albiflorum (Makino) Okuyama | Synonym |  | WCSP | 
	
		| Cypripedium tibeticum King ex Rolfe | Accepted |  | WCSP | 
	
		| Cypripedium tibeticum subsp. calcicola (Schltr.) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium tibeticum var. froschii (Perner) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium tibeticum subsp. ludlowii (P.J.Cribb) Eccarius | Synonym |  | WCSP | 
	
		| Cypripedium tonkinense auct. | Synonym |  | WCSP | 
	
		| Cypripedium tonsum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × triumphans O'Brien [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × tryonianum Tate [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium turgidum Sessé & Moc. | Synonym |  | WCSP | 
	
		| Cypripedium × uihleinianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × umlauftianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium undatum Raf. | Synonym |  | WCSP | 
	
		| Cypripedium × van-molianum Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × vanhoutteanum Hye | Synonym |  | WCSP | 
	
		| Cypripedium × vannerae Ballif | Synonym |  | WCSP | 
	
		| Cypripedium variegatum Georgi [Invalid] | Synonym |  | WCSP | 
	
		| Cypripedium × variopictum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium veganum Cockerell & Barker | Synonym |  | WCSP | 
	
		| Cypripedium veitchianum Lem. | Synonym |  | WCSP | 
	
		| Cypripedium × ventricosum Sw. | Accepted |  | WCSP | 
	
		| Cypripedium × ventricosum f. bicolor Aver. | Synonym |  | WCSP | 
	
		| Cypripedium venustum Wall. ex Sims | Synonym |  | WCSP | 
	
		| Cypripedium venustum var. measuresianum auct. | Synonym |  | WCSP | 
	
		| Cypripedium vernayi F.K.Ward | Synonym |  | WCSP | 
	
		| Cypripedium × vernixium Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × vervaetianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × vexillarium Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium victoria-mariae Sander ex Mast. | Synonym |  | WCSP | 
	
		| Cypripedium victoria-regina Sander | Synonym |  | WCSP | 
	
		| Cypripedium × vigerianum Mantin [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium villosum Lindl. | Synonym |  | WCSP | 
	
		| Cypripedium villosum var. boxallii (Rchb. f.) Veitch | Synonym |  | TRO | 
	
		| Cypripedium × vipanii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium virens Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium vittatum Vell. | Synonym |  | WCSP | 
	
		| Cypripedium vittatum var. breve Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium volonteanum (Sander ex Rolfe) Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × wallaertianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium wallisii Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium wallisii (Rchb. f.) B.S. Williams | Synonym |  | TRO | 
	
		| Cypripedium wardianum E.W.Cooper | Synonym |  | WCSP | 
	
		| Cypripedium wardii Rolfe | Accepted |  | WCSP | 
	
		| Cypripedium wardii (Summerh.) C.H. Curtis | Synonym |  | TRO | 
	
		| Cypripedium warnerianum Rchb.f. ex Wittm. | Synonym |  | WCSP | 
	
		| Cypripedium × warnhamiense auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium warszewiczianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium × watsonianum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × weathersianum Linden [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × weidlichianum (Sander) auct. | Synonym |  | WCSP | 
	
		| Cypripedium × wellesleyanum Sander [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × wendlandii auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × wenqingiae Perner | Accepted |  | WCSP | 
	
		| Cypripedium × whitelyanum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × wiganianum auct. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium × williamsianum Rchb.f. | Synonym |  | WCSP | 
	
		| Cypripedium wilsonii Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium × winnianum Rchb.f. [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium wolterianum Kraenzl. | Synonym |  | WCSP | 
	
		| Cypripedium wumengense S.C.Chen | Accepted |  | WCSP | 
	
		| Cypripedium yatabeanum Makino | Accepted |  | WCSP | 
	
		| Cypripedium × youngianum Rolfe | Synonym |  | WCSP | 
	
		| Cypripedium yunnanense Franch. | Accepted |  | WCSP | 
	
		| Cypripedium × yvonnae Garnier [Unplaced] | Unresolved |  | WCSP | 
	
		| Cypripedium zhongdianense Z.D. Fang | Unresolved |  | TRO |