134.0000
						Family
						Orchidaceae Juss.; Gen. Pl. [Jussieu] 64 (1789), nom. cons.
						
over 800 genera, more than 30.000 spp. worldwide, mostly tropical
						Species listed in database: 30648; hybrids: 1477
						
							
								
								= Apostasiaceae    Lindl.; Nix. Pl. 22 (1833), nom. cons.
= Cypripediaceae    Lindl.; Nix. Pl. 22 (1833)
= Limodoraceae    Horan.; Char. Ess. Fam. 44 (1847)
= Liparidaceae    Vines; Stud. Text-book Bot. 2: 567 (1895)
= Neottiaceae    Horan.; Prim. Lin. Syst. Nat. 50 (1834)
= Neuwiediaceae    R.Dahlgren ex Reveal & Hoogland; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 13: 91 (1991)
= Ophrydaceae    Vines; Stud. Text-book Bot. 2: 566 (1895)
= Pycnanthaceae    Ravenna; Onira 12(6): 29 (2011)
= Vanillaceae    Lindl.; Key Bot. 73 (1835)
							 
							
						
						
					 
					
						134.3002
						Genus
						Cypripedium L.; Sp. Pl. [Linnaeus] 2: 951 (1753)
						
Distribution: Temperate Europe (1), North America south to Honduras, Russia (5), E-Asia and China (many), S-Himalaya [46 species and 7 hybrids listed, excluding garden hybrids]
						Species listed in database: 53; hybrids: 9
						
							
								
								= Arietinum    L.C.Beck; Bot. North. Middle States [Beck] 352 (1833)
= Calceolaria    Heist. ex Fabr.; Enum. [Fabricius], ed. 2: 37 (1763)
= Calceolus    Mill.; Gard. Dict. Abr., ed. 4: s. p. (1754)
= Ciripedium    Zumagl.; Fl. Pedem. 1: 18 (1829)
= Criogenes    Salisb.; Monthly Rev. 75: 81 (1814)
= Criosanthes    Raf.; Amer. Monthly Mag. & Crit. Rev. 2: 268 (1818)
= Cypripedilon    Rouy; J. Bot. [Morot] 8: 58 (1894), nom. superfl.
= Fissipes    Small; Fl. S.E. U.S. [Small] 311 (1903)
= Hypodema    Rchb.; Deut. Bot. Herb.-Buch 56 (1841)
= Sacodon    Raf.; Fl. Tellur. 4: 45 (1836)
= Schizopedium    Salisb.; Monthly Rev. 75: 81 (1814)
							 
							
						
						
					 
					
					
					
					
					
						
						
							 species :
						
								
									
									
											Cypripedium acaule
										
										
									 Aiton; Hort. Kew. [W.Aiton] 3: 303 (1789)
								
								
										
		
			
				Name: Pink Lady´s Slipper
			
			Distribution: Canada  (SW-Nunavut, NE-Alberta, Manitoba, Saskatchewan, Ontario, Québec, Nova Scotia, Prince Edward Isl., Anticosti Isl., New Brunswick, Newfoundland); USA  (Maine, Vermont, New Hampshire, Connecticut, Rhode Island, Massachusetts, New York, Pennsylvania, New Jersey, Delaware, District of Columbia, Maryland, Virginia, West Virginia, North Carolina, NW-South Carolina, N-Georgia, NE-Alabama, Kentucky, Tennessee, Ohio, N-Indiana, Michigan, Wisconsin, Minnesota, NE-Illinois)
			70 CDN 71 CDN 72 CDN 74 USA 75 USA 78 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Calceolus hirsutus   (Mill.) Nieuwl.; Amer. Midl. Naturalist 3: 118 (1913)
= Cypripedium acaule f. albiflora E.L.Rand & Redfield; Fl. Mt. Desert Isl. 154 (1894)
= Cypripedium acaule f. biflorum P.M.Br.; N. Amer. Native Orchid J. 1(3): 197 (1995)
= Cypripedium acaule f. lancifolia House; Bull. New York State Mus. Nat. Hist. 254: 236 (1924)
= Cypripedium acaule var. album Ballif; Lindenia 4: 96 (1888)
= Cypripedium catesbianum   Raf.; Herb. Raf. 2: 44 (1833)
= Cypripedium hirsutum   Mill.; Gard. Dict., ed. 8: no. 3 (1768), nom. rej.
= Cypripedium humile   Salisb.; Trans. Linn. Soc. London 1: 79 (1791)
= Cypripedium vittatum var. planum Raf.; Herb. Raf. 2: 44 (1833)
= Fissipes acaulis   (Aiton) Small; Fl. S.E. U.S. [Small] 311 (1903)
= Fissipes acaulis f. lancifolia House; Bull. New York State Mus. Nat. Hist. 219-220: 242 (1920)
= Fissipes hirsuta   (Mill.) Farw.; Druggists´ Circ. 61: 230 (1917)
= Fissipes hirsuta f. albiflora (E.L.Rand & Redfield) Farw.; Pap. Michigan Acad. Sci. 23: 128 (1938)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium arietinum
										
										
									 R.Br.; Hort. Kew., ed. 2 [W.T.Aiton] 5: 222 (1813)
								
								
										
		
			
				Name: Ram´s-Head Lady´s Slipper
			
			Distribution: Canada  (Manitoba, Ontario, Québec, Nova Scotia, Saskatchewan); USA  (Maine, Vermont, New Hampshire, Massachusetts, New York, Michigan, Wisconsin, Minnesota, Connecticut)
			71 CDN 72 CDN 74 USA 75 USA
			
			
				Conservation Status: IUCN R (V in Québec, E in Saskatchewan, Maine, Massachusetts, Minnesota, New Hampshire, Wisconsin, Ex/E in Connecticut)
			
			
			
				
					Synonyms: hidden
					
						
							= Arietinum americanum   (R.Br.) L.C.Beck; Bot. North. Middle States [Beck] 352 (1833)
= Criosanthes arietina   (R.Br.) House; Bull. Torrey Bot. Club 32: 374 (1905)
= Criosanthes borealis   Raf.; Amer. Monthly Mag. & Crit. Rev. 2: 268 (1818)
= Cypripedium arietinum f. albiflorum House; Bull. New York State Mus. Nat. Hist. 243-244: 48 (1923)
= Cypripedium arietinum f. biflorum P.M.Br.; N. Amer. Native Orchid J. 1(3): 198 (1995)
= Cypripedium ×edithae   Kraenzl.; Gard. Chron., Ser. 3, 12: 458 (1892)
= Selenipedium ×baconis   (Kraenzl.) Rolfe; Orchid Rev. 1: 358 (1893)
= Selenipedium  ×baconis var. edithae (Kraenzl.) Rolfe; Orchid Rev. 3: 80 (1895)
= Selenipedium ×edithae   (Kraenzl.) Rolfe; Orchid Rev. 1: 358 (1893)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium bardolphianum
										
										
									 W.W.Sm. &  Farrer; Notes Roy. Bot. Gard. Edinburgh 9: 101-102 (1916)
								
								
										
		
			
			Distribution: China  (S-Gansu, W-Sichuan, NW-Yunnan); SE-Tibet
			36 CHI TIB
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium nutans   (W.W.Sm. & Farrer) Schltr.; Acta Horti Gothob. 1: 128 (1924)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium calceolus
										
										
									 L.; Sp. Pl. [Linnaeus] 2: 951 (1753)
								
								
										
		
			
				Name: Frauenschuh (DE), Lady´s-slipper (EN)
			
			Distribution: England  (N-England); Denmark; Norway; Sweden; Finland; +Belgium; Luxembourg; ?Luxembourg; Germany  (Brandenburg, Baden-Württemberg, Bayern, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Sachsen, Sachsen-Anhalt, Thüringen); Switzerland; Liechtenstein; Austria; Poland; Czech Republic; Slovakia; Hungary; Spain; France; Italy; ?Slovenia; Croatia; Bosnia & Hercegovina; ?Montenegro; Serbia; Kosovo; Romania; Bulgaria; ?NE-Greece; Estonia; Latvia; Lithuania; Belarus; ?Moldova; Ukraine; Crimea; European Russia  (N-European Russia, C-European Russia, W-European Russia, E-European Russia); Siberia  (Altai, Buryatia, Chita, Irkutsk, Krasnoyarsk, Tuva, W-Siberia, Yakutia); Russian Far East  (Amur, Khabarovsk, Primorye, Sakhalin); Kazakhstan; NE-Northern Caucasus; China  (Heilongjiang, E-Jilin, Liaoning, NE-Nei Mongol); Mongolia; North Korea
			10 DEN FIN GRB NOR SWE 11 AUT BGM CZE GER HUN LIE LUX POL SLO SWI 12 FRA SPA 13 BIH BUL CRO ITA KOS ROM SRB 14 BLR EST KRY LAT LIT RUS UKR 30 SIB 31 RFE 32 KAZ 36 CHI 37 MON 38 NKO
			
				Remarks: declining and highly threatened over much of its range in Europe
			
			
			
			
				
					Synonyms: hidden
					
						
							= Calceolus alternifolius   St.-Lag.; Ann. Soc. Bot. Lyon 7: 62 (1880)
= Calceolus marianus   Crantz; Gard. Dict. Abr., ed. 4: s. p. (1754)
= Cypripedilon marianus   (Crantz) Rouy; J. Bot. [Morot] 8: 58 (1894)
= Cypripedium alternifolium   St.-Lag.; Ann. Soc. Bot. Lyon 7: 62, 124 (1880), nom. illeg.
= Cypripedium atsmori   C.Morren; Belgique Hort. 1: 171 (1851)
= Cypripedium boreale   Salisb.; Prodr. Stirp. Chap. Allerton 10 (1796), nom. illeg.
= Cypripedium calceolus subvar. album (Pfitzer) Rouy; Naturaliste 14: 90 (1892)
= Cypripedium calceolus f. album (Pfitzer) Hegi; Ill. Fl. Mitt.-Eur. [Hegi] 2: 327 (1909)
= Cypripedium calceolus f. biflorum Rouy; Fl. France [Rouy & Foucaud] 13: 89 (1912)
= Cypripedium calceolus f. grandifolium Bolzon; Nuovo Giorn. Bot. Ital., n. s. 21: 174 (1914)
= Cypripedium calceolus f. triflorum Rouy; Fl. France [Rouy & Foucaud] 14: 516 (1913)
= Cypripedium calceolus var. bellum Chmiel; Nase Príroda 2013(6): 16 (2013)
= Cypripedium calceolus var. biflorum Rouy; Fl. France [Rouy & Foucaud] 13: 90 (1912)
= Cypripedium calceolus var. citrinum B.Hergt; Mitt. Thüring. Bot. Vereins, N. F. 13-14: 120, 127 (1899)
= Cypripedium calceolus var. viridiflorum M.Schulze; Mitt. Thüring. Bot. Vereins, N. F. 17: 39 (1902)
= Cypripedium cruciatum   Dulac; Fl. Hautes-Pyrénées 128 (1867), nom. superfl.
= Cypripedium ferrugineum   Gray; Nat. Arr. Brit. Pl. 2: 213 (1821 publ. 1822), nom. superfl.
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium calcicola
										
										
									 Schltr.; Acta Horti Gothob. 1: 126 (1924)
								
								
										
		
			
			Distribution: China  (W-Sichuan, NW-Yunnan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium smithii   Schltr.; Acta Horti Gothob. 1: 129 (1924)
= Cypripedium tibeticum subsp. calcicola (Schltr.) Eccarius; Orchideengattung Cypripedium 201 (2009)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium californicum
										
										
									 A.Gray; Proc. Amer. Acad. Arts 7: 389 (1868)
								
								
										
		
			
				Name: California Lady´s Slipper
			
			Distribution: NW-USA  (N-California, SW-Oregon)
			73 USA 76 USA
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium candidum
										
										
									 Muhl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 142 (1805)
								
								
										
		
			
				Name: White Lady´s Slipper
			
			Distribution: S-Canada  (S-Manitoba, S-Ontario, S-Saskatchewan); NC-USA  (SE-North Dakota, E-South Dakota, Minnesota, Wisconsin, Michigan, Missouri, Iowa, Illinois, Alabama, Indiana, N-Kentucky, Nebraska, Ohio, New York, Pennsylvania, NW-New Jersey, Maryland)
			71 CDN 72 CDN 74 USA 75 USA 78 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Calceolus candidus   (Muhl. ex Willd.) Nieuwl.; Amer. Midl. Naturalist 3: 117 (1913)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium conzattianum
										
										
									 R.González & Lizb.Hern.; Orquídeas Occid. Mex. 1: 18 (2010)
								
								
										
		
			
			Distribution: Mexico  (Colima)
			79 MEX
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium cordigerum
										
										
									 D.Don; Prodr. Fl. Nepal. 37 (1825)
								
								
										
		
			
			Distribution: S-Tibet; NE-Pakistan; Nepal; Bhutan; India  (Himachal Pradesh, Jammu & Kashmir, Uttarakhand)
			36 TIB 40 BHU IND NEP PAK
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium debile
										
										
									 Rchb.f.; Xenia Orchid. 2: 223 (1874)
								
								
										
		
			
			Distribution: China  (Chongqing, S-Gansu, W-Hubei, NE- to W-Sichuan); Japan  (Hokkaido, Honshu, Shikoku); Taiwan
			36 CHI 38 JAP TAI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium cardiophyllum   (Rchb.f.) Franch & Sav.; Enum. Pl. Jap. 2: 39 (1879)
= Cypripedium debile f. shinanoense Suetsugu & Shitara; J. Jap. Bot. 92(2): 119 (2017)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium dickinsonianum
										
										
									 Hágsater; Orquídea (México City), n. s. 9: 209 (1984)
								
								
										
		
			
			Distribution: Mexico  (Chiapas); Guatemala
			79 MEX 80 GUA
			
			
				Conservation Status: IUCN R
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium elegans
										
										
									 Rchb.f.; Flora 59: 561 (1886)
								
								
										
		
			
			Distribution: China  (NW-Yunnan); S-Tibet  (Jilong, Yadong Xian); Nepal; Bhutan; India  (Sikkim, Uttarakhand)
			36 CHI TIB 40 BHU IND NEP
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium fargesii
										
										
									 Franch.; J. Bot. [Morot] 8: 267 (1894)
								
								
										
		
			
			Distribution: China  (N-Chongqing, S-Gansu, W-Hubei, NE- to W-Sichuan)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium ebracteatum   Rolfe; Bull. Misc. Inform. Kew 1896: 204 (1896)
= Cypripedium margaritaceum subsp. fargesii (Franch.) Eccarius; Orchideengattung Cypripedium 270 (2009)
= Cypripedium margaritaceum var. fargesii (Franch.) Pfitzer; Pflanzenr. [Engler], IV.50, Heft 12 (Orch.-Pleonandr.): 40 (1903)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium farreri
										
										
									 W.W.Sm.; Notes Roy. Bot. Gard. Edinburgh 9: 102 (1916)
								
								
										
		
			
			Distribution: China  (Gansu, Guizhou, W-Sichuan, NW-Yunnan)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium cheniae   Torelli; Caesiana 12: 45 (1999)
= Cypripedium fasciolatum subsp. farreri (W.W.Sm.) Eccarius; Orchideengattung Cypripedium 75 (2009)
= Cypripedium zhongdianense   Z.D.Fang; (1993), nom. illeg.
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium fasciculatum
										
										
									 Kellogg; Pacific Rural Press 1879: 354 (1879)
								
								
										
		
			
				Name: Clustered Lady´s Slipper
			
			Distribution: ?C-Canada  (?S-British Columbia); NW-USA  (Washington, Oregon, California, Wyoming, Idaho, Montana, N-Utah, NW-Colorado)
			73 USA 76 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium fasciculatum f. purpureum P.M.Br.; N. Amer. Native Orchid J. 10: 35 (2004 publ. 2005)
= Cypripedium fasciculatum f. viride P.M.Br.; N. Amer. Native Orchid J. 10: 35 (2004 publ. 2005)
= Cypripedium fasciculatum   Kellogg ex S.Watson; Proc. Amer. Acad. Arts 17- 380 (1882)
= Cypripedium fasciculatum var. pusillum (Rolfe) Hook.f.; Bot. Mag. 119: t. 7275 (1893)
= Cypripedium knightiae   A.Nelson; Bot. Gaz. 42: 48 (1906)
= Cypripedium pusillum   Rolfe; Bull. Misc. Inform. Kew 1892: 211 (1892)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium fasciolatum
										
										
									 Franch.; J. Bot. [Morot] 8: 232 (1894)
								
								
										
		
			
			Distribution: China  (Chongqing, W-Hubei, SW-Sichuan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium lang-rhoa   Gattef.; Rev. Parfum Mod. 4: 53 (1918) [nom. prov.]
= Cypripedium wilsonii   Rolfe; Bull. Misc. Inform. Kew 379 (1906)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium flavum
										
										
									 P.F.Hunt & Summerh.; Kew Bull. 20: 51 (1966)
								
								
										
		
			
			Distribution: China  (NW-Yunnan, Sichuan, W-Hubei, S-Gansu); SE-Tibet
			36 CHI TIB
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium luteum   Franch.; Nouv. Arch. Mus. Hist. Nat., Sér. 2, 10: 88 (1887 publ. 1888), nom. illeg.
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium formosanum
										
										
									 Hayata; Icon. Pl. Formosan. 6: 66 (1916)
								
								
										
		
			
			Distribution: Taiwan
			38 TAI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium japonicum var. formosanum (Hayata) S.S.Ying; Chin. Fl. 15: 33 (1975)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium forrestii
										
										
									 P.J.Cribb; Bull. Alpine Gard. Soc. Gr. Brit. 60: 172 (1992)
								
								
										
		
			
			Distribution: China  (NW-Yunnan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium bardolphianum subsp. forrestii (P.J.Cribb) Eccarius; Orchideengattung Cypripedium 249 (2009)
= Cypripedium bardolphianum var. zhongdianense S.C.Chen; Acta Phytotax. Sin. 23: 371 (1985)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium franchetii
										
										
									 Rolfe; Orchid Rev. 20: 358 (1912)
								
								
										
		
			
			Distribution: China  (Chongqing, S-Gansu, W-Henan, W-Hubei, S-Shaanxi, S-Shanxi, NE- to NW-Sichuan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium macranthos var. villosum Hand.-Mazz.; Oesterr. Bot. Z. 85: 227 (1936)
= Cypripedium pulchrum   Ames & Schltr.; Repert. Spec. Nov. Regni Veg., Beih. 4: 39 (1919)
= Cypripedium rubronerve   Cavestro; Rhône-Alpes Orchid. 25: 14 (2000)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium gomezianum
										
										
									 R.González & Lizb.Hern.; Orquídeas Occid. Mex. 1: 14 (2010)
								
								
										
		
			
			Distribution: Mexico  (Colima)
			79 MEX
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium guttatum
										
										
									 Sw.; Kongl. Vetensk. Acad. Nya Handl. 21: 251 (1800)
								
								
										
		
			
				Name: Gefleckter Frauenschuh (DE), Spotted Lady´s Slipper (EN)
			
			Distribution: European Russia  (N-European Russia, C-European Russia, E-European Russia); Siberia  (Altai, Buryatia, Chita, Irkutsk, Krasnoyarsk, Tuva, W-Siberia, Yakutia); Russian Far East  (Amur, Khabarovsk, Magadan, Primorye); Kazakhstan; China  (Heilongjiang, Jilin, Liaoning, Nei Mongol, Hebei, Shanxi, Shaanxi, Ningxia, Guangdong, W-Sichuan, NW-Yunnan); Tibet; Mongolia; North Korea; South Korea; Bhutan; Myanmar  (Kachin); Alaska; Aleutes; NW-Canada  (Yukon, N. W. T.)
			14 RUS 30 SIB 31 RFE 32 KAZ 36 CHI TIB 37 MON 38 KOR NKO 40 BHU 41 MYA 70 ASK CDN 71 CDN
			
			
			
				
						
					
				
				
						
					
				
					
						 
					
				
				
					
						 
					
				
				
				
			 
			
				
					Synonyms: hidden
					
						
							= Cypripedium bouffordianum   Yong H.Zhang & H.Sun; Ann. Bot. Fenn. 43(6): 481 (2006)
= Cypripedium calceolus var. variegatum Falk; Beytr. Topogr. Kenntn. Russ. Reichs 2: 17 (1786)
= Cypripedium guttatum f. albiflorum (Y.N.Lee) M.Kim; Korean Endemic Pl., ed. 3: 571 (2017)
= Cypripedium guttatum f. albiflorum Aver.; Turczaninowia 2(2): 30 (1999)
= Cypripedium guttatum f. bouffordianum (Yong H.Zhang & H.Sun) J.M.H.Shaw; Orchid Rev., Suppl., 120 (1298): 33 (2012)
= Cypripedium guttatum f. latifolium Rouy ex E.G.Camus; Monogr. Orchid. 451 (1908)
= Cypripedium guttatum f. punicum Y.N.Lee; Bull. Korea Pl. Res. 5: 63 (2005)
= Cypripedium guttatum f. redowskii (Rchb.f.) Soó; Ann. Univ. Sci. Budapest. Rolando Eötvös, Sect. Biol. 11: 54 (1969)
= Cypripedium guttatum var. koreanum Nakai; Bull. Natl. Sci. Mus. Tokyo 31: 150 (1952)
= Cypripedium guttatum var. redowskii Rchb.f.; Icon. Fl. Germ. Helv. [H.G.L.Reichenbach] 13-14: 166 (1851)
= Cypripedium guttatum var. tongolensis Franch.; Orch. Digest [Pradhan] 50 (1986) [ined.]
= Cypripedium orientale   Spreng.; Syst. Veg., ed. 16 [Sprengel] 3: 746 (1826), nom. superfl.
= Cypripedium variegatum   Georgi; Bemerk. Reise Russ. Reich. 1: 232 (1775), nomen
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium henryi
										
										
									 Rolfe; Bull. Misc. Inform. Kew 211 (1892)
								
								
										
		
			
			Distribution: China  (S-Gansu, Guizhou, W-Hubei, S-Shaanxi, S-Shanxi, Sichuan, NW-Yunnan)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium chinense   Franch.; J. Bot. [Morot] 8: 230 (1894)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium himalaicum
										
										
									 Rolfe ex Hemsl.; J. Linn. Soc., Bot. 29: 319 (1893)
								
								
										
		
			
			Distribution: SE-Tibet; Nepal; Bhutan; India  (Himachal Pradesh, Jammu & Kashmir, Sikkim, Uttarakhand); Myanmar  (Kachin)
			36 TIB 40 BHU IND NEP 41 MYA
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium macranthos var. himalaicum (Rolfe) Kraenzl.; Orchid. Gen. Sp. 1: 26 (1898)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium irapeanum
										
										
									 Lex.; Nov. Veg. Descr. [La Llave & Lexarza] 2(Orchid. Opusc.): 10 (1825)
								
								
										
		
			
				Name: Flor de Pelicano, Pichuhuaxcle
			
			Distribution: Mexico  (Chiapas, Colima, Durango, Guanajuato, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Puebla, Sinaloa, Tabasco, Veracruz, Zacatecas); Guatemala; Honduras
			79 MEX 80 GUA HON
			
			
				Conservation Status: IUCN I (E in Guatemala, V in Mexico)
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium lexarzae   Scheidw.; Allg. Gartenzeitung [Otto & Dietrich] 8: 265 (1839)
= Cypripedium luzmarianum   R.González & R.Delgad.; Bol. Inform. Inst. Bot. Univ. Guadalajara 1(2): 64 (1992)
= Cypripedium splendidum   Scheidw.; Allg. Gartenzeitung [Otto & Dietrich] 8: 266 (1839)
= Cypripedium turgidum   Sessé & Moc.; Pl. Nov. Hisp., ed. 1: 154 (1887 publ. 1890)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium japonicum
										
										
									 Thunb.; Syst. Veg., ed. 14 [J.A.Murray] 817 (1784)
								
								
										
		
			
			Distribution: China  (S-Shaanxi, S-Gansu, Anhui, Zhejiang, Jiangxi, Hubei, Hunan, Sichuan, Guizhou); South Korea; Japan  (Hokkaido, Honshu, Shikoku, Kyushu)
			36 CHI 38 JAP KOR
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium cathayanum   S.S.Chien; Contr. Biol. Lab. Sci. Soc. China, Bot. Ser. 6: No. 3, 23 (1930)
= Cypripedium japonicum var. glabrum M.Suzuki; J. Jap. Bot. 55(11): 351 (1980)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium kentuckiense
										
										
									 C.F.Reed; Phytologia 48(5): 426 (1981)
								
								
										
		
			
			Distribution: SE-USA  (Alabama, Arkansas, Georgia, Kentucky, Louisiana, Mississippi, Oklahoma, Tennessee, Texas, Virginia)
			74 USA 77 USA 78 USA
			
			
				Conservation Status: IUCN R (E in Alabama, Louisiana, Oklahoma, Tennessee, Texas)
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium daultonii   V.G.Soukup; Mid-American 41(1): 9 (1977), nom. illeg.
= Cypripedium furcatum   Raf.; Herb. Raf. 76 (1833) [nom. dub.]
= Cypripedium kentuckiense f. pricei P.M.Br.; N. Amer. Native Orchid J. 4(1): 45 (1998)
= Cypripedium kentuckiense f. summersii P.M.Br.; N. Amer. Native Orchid J. 8: 31 (2002)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium lentiginosum
										
										
									 P.J.Cribb & S.C.Chen; Quart. Bull. Alpine Gard. Soc. Gr. Brit. 67(2): 155 (1999)
								
								
										
		
			
			Distribution: China  (SE-Yunnan)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium daweishanense   (S.C.Chen & Z.J.Liu) S.C.Chen & Z.J.Liu; J. Wuhan Bot. Res. 23(3): 233 (2005)
= Cypripedium lichiangense subsp. lentiginosum (P.J.Cribb & S.C.Chen) Eccarius; Orchideengattung Cypripedium 289 (2009)
= Cypripedium lichiangense var. daweishanense S.C.Chen & Z.J.Liu; Acta Bot. Yunnan. 26(4): 384 (2004)
= Cypripedium malipoense   S.C.Chen & Z.J.Liu; Acta Bot. Yunnan. 26: 382 (2004)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium lichiangense
										
										
									 P.J.Cribb & S.C.Chen; Orchid Rev. 102: 321-323 (1994)
								
								
										
		
			
			Distribution: China  (NW-Yunnan, SW-Sichuan); N-Myanmar
			36 CHI 41 MYA
			
			
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium ludlowii
										
										
									 P.J.Cribb; Gen. Cypripedium 204 (1997)
								
								
										
		
			
			Distribution: SE-Tibet
			36 TIB
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium tibeticum subsp. ludlowii (P.J.Cribb) Eccarius; Orchideengattung Cypripedium 206 (2009)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium macranthos
										
										
									 Sw.; Kongl. Vetensk. Acad. Nya Handl. 21: 251 (1800) (macranthum)
								
								
										
		
			
				Name: Großblütiger Frauenschuh
			
			Distribution: +European Russia  (+E-European Russia); Siberia  (Altai, Buryatia, Irkutsk, Krasnoyarsk, Tuva, W-Siberia, Yakutia); Russian Far East  (Amur, Kamchatka, Khabarovsk, Kuril Isl., Primorye, Sakhalin, Commander Isl.); Kazakhstan; N-China  (Heilongjiang, Jilin, Liaoning, Nei Mongol, Hebei, Guangdong); Mongolia; North Korea; South Korea; Japan  (Hokkaido, Honshu)
			14 RUS 30 SIB 31 RFE 32 KAZ 36 CHI 37 MON 38 JAP KOR NKO
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium atsmori   Morren; Belgique Hort. 1: 171, t. 1. 1 (1851)
= Cypripedium calceolus   Thunb.; Fl. Jap. [Thunberg] 30 (1784) non L.
= Cypripedium calceolus var. rubrum Georgi; Bemerk. Reise Russ. Reich. 1: 232 (1775)
= Cypripedium macranthos nothof. alboroseum Aver.; Turczaninowia 2(2): 23 (1999)
= Cypripedium macranthos nothof. albostriatum Aver.; Turczaninowia 2(2): 23 (1999)
= Cypripedium macranthos nothof. flavoroseum Aver.; Turczaninowia 2(2): 23 (1999)
= Cypripedium macranthos f. albiflorum (Makino) Ohwi; Bull. Natl. Sci. Mus. Tokyo 33: 69 (1953), et Fl. Jap., ed. rev. 322 (1965)
= Cypripedium macranthos f. rebunense (Kudô) Ohwi; Fl. Jap. [Ohwi] 342 (1953)
= Cypripedium macranthos f. vulgare Regel; Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 7, 4(4): 145 (1861)
= Cypripedium macranthos var. albiflorum Makino; J. Jap. Bot. 3: 27 (1926)
= Cypripedium macranthos var. atropurpureum Aver.; Turczaninowia 2: 18 (1999)
= Cypripedium macranthos var. flavum Mandl; Oesterr. Bot. Z. 73: 271 (1924)
= Cypripedium macranthos var. leucanthum Hatus.
= Cypripedium macranthos var. maximum Nakai; J. Jap. Bot. 16: 63 (1940)
= Cypripedium macranthos var. speciosum (Rolfe) Koidz.; Bot. Mag. (Tokyo) 40: 336 (1926)
= Cypripedium neoparviflorum   Y.N.Lee; Bull. Korea Pl. Res. 2: 31 (2002)
= Cypripedium speciosum   Rolfe; Bull. Misc. Inform. Kew 207 (1911), et Bot. Mag. t. 8386
= Cypripedium speciosum var. albiflorum Makino; J. Jap. Bot. 3: 27 (1926)
= Cypripedium thunbergii   Blume; Coll. Orchid. 169 (1859)
= Cypripedium thunbergii f. albiflorum (Makino) Okuyama; J. Jap. Bot. 30: 42 (1955)
= Sacodon macranthus   (Sw.) Raf.; Fl. Tellur. 4: 45 (1836)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 variant :
						
								
									var. rebunense
									 (Kudô) Miyabe & Kudô; Fl. Hokkaido Saghalien 3: 355 (1932)
								
								
		
			
			Distribution: Japan  (Rebun Isl.)
			38 JAP
			
			
				Conservation Status: IUCN E
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium rebunense   Kudô; Jap. J. Bot. 2: 251 (1925), nomen
= Cypripedium macranthum f. rebunense (Kudô) Ohwi
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium margaritaceum
										
										
									 Franch.; Bull. Annuel Soc. Philom. Paris, Sér. 7, 12: 141 (1888), et J. Bot. [Morot] 8: 265 (1894)
								
								
										
		
			
			Distribution: China  (NW-Yunnan, SW-Sichuan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium daliense   S.C.Chen & J.L.Wu; Acta Phytotax. Sin. 29(1): 86 (1991)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium micranthum
										
										
									 Franch.; J. Bot. [Morot] 8: 265 (1894)
								
								
										
		
			
			Distribution: China  (Chongqing, NE- to SW-Sichuan)
			36 CHI
			
			
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium molle
										
										
									 Lindl.; Pl. Hartw. [Bentham] 72 (1840)
								
								
										
		
			
			Distribution: Mexico  (Oaxaca)
			79 MEX
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium irapeanum subsp. molle (Lindl.) Eccarius; Orchideengattung Cypripedium 303 (2009)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium montanum
										
										
									 Douglas ex Lindl.; Gen. Sp. Orchid. 528 (1840)
								
								
										
		
			
				Name: Mountain Lady´s Slipper
			
			Distribution: SE-Alaska; C-Canada  (British Columbia, Alberta); NW-USA  (Washington, Oregon, N-California, Idaho, Montana, NE-Wyoming)
			70 ASK 71 CDN 73 USA 76 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium montanum f. praetertinctum Sheviak; Rhodora 92 (870): 48 (1990)
= Cypripedium montanum f. welchii P.M.Br.; N. Amer. Native Orchid J. 1(3): 198 (1995)
= Cypripedium occidentale   S.Watson; Proc. Amer. Acad. Arts 11: 147 (1876)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium palangshanense
										
										
									 Tang & F.T.Wang; Bull. Fan Mem. Inst. Biol., Bot. 7: 1 (1936)
								
								
										
		
			
			Distribution: China  (Chongqing, SW- to W-Sichuan)
			36 CHI
			
			
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium parviflorum
										
										
									 Salisb.; Trans. Linn. Soc. London 1: 77 (1791)
								
								
										
		
			
				Name: Small Yellow Lady´s Slipper
			
			Distribution: USA  (Alabama, Arkansas, Connecticut, Delaware, Georgia, Massachusetts, New York, New Jersey, North Carolina, Virginia, Ohio, Oklahoma, Rhode Island, Tennessee, NE-Illinois, Kansas, Maryland, Missouri, Nebraska)
			74 USA 75 USA 78 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Calceolus parviflorus   (Salisb.) Nieuwl.; Amer. Midl. Naturalist 3: 118 (1913)
= Criosanthes parviflora   (Salisb.) Raf.; Fl. Tellur. 4: 46 (1836)
= Cypripedium bifidum   Raf.; Atlantic J. 1: 178 (1833)
= Cypripedium bulbosum var. parviflorum (Salisb.) Farw.; Rep. Michigan Acad. Sci. 15: 170 (1913)
= Cypripedium calceolus subsp. parviflorum (Salisb.) Hultén; Ark. Bot., a. s. 7(1): 34 (1967 publ. 1968)
= Cypripedium calceolus var. parviflorum (Salisb.) Fernald; Rhodora 48: 4 (1946)
= Cypripedium hirsutum var. parviflorum (Salisb.) Rolfe; Orchid Rev. 15: 184 (1907)
= Cypripedium luteum   Aiton ex Raf.; Med. Fl. 1: 140 (1828)
= Cypripedium luteum var. parviflorum (Salisb.) Raf.; Med. Fl. 1: 140, pl. 30 (1828)
= Cypripedium parviflorum f. albolabium Magrath & J.L.Norman; Sida 13: 372 (1989)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 variant :
						
								
									var. exiliens
									 Sheviak; Native Orchid Conf. J. 7(2): 5 (2010)
								
								
		
			
			Distribution: Alaska
			70 ASK
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
							
							
						 
					
						
						
							 variant :
						
								
									var. makasin
									 (Farw.) Sheviak; Amer. Orchid Soc. Bull. 62(4): 403 (1993)
								
								
		
			
			Distribution: NE-Alaska; Canada  (Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Labrador, N. W. T., Ontario, Prince Edward Isl., Québec, Saskatchewan, Yukon); USA  (California, Connecticut, Illinois, Indiana, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Utah, Vermont, Washington, Wisconsin)
			70 ASK CDN 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium makasin   Farw.; Rep. Michigan Acad. Sci. 20: 198 (1918)
= Cypripedium pubescens var. makasin Farw.; Rep. Michigan Acad. Sci. 20: 198 (1918)
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 variant :
						
								
									var. pubescens
									 (Willd.) Knight; Rhodora 8: 93 (1906)
								
								
		
			
				Name: Yellow Lady´s Slipper
			
			Distribution: SE-Alaska; Canada  (Yukon, N. W. T., Nova Scotia, British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Québec, Newfoundland, Labrador, Anticosti Isl., New Brunswick); USA  (Colorado, Utah, E-Arizona, New Mexico, Washington, Oregon, Iowa, Missouri, Montana, Minnesota, Wisconsin, Michigan, Illinois, Indiana, Ohio, Kentucky, Kansas, Tennessee, Mississippi, Georgia, North Carolina, Virginia, West Virginia, Maryland, Pennsylvania, New York, Connecticut, District of Columbia, Rhode Island, Massachusetts, New Hampshire, New Jersey, Vermont, Maine)
			70 ASK CDN 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium assurgens   Raf.; Herb. Raf. 76 (1833)
= Cypripedium aureum   Raf.; Herb. Raf. 76 (1833)
= Cypripedium bulbosum var. flavescens (A.DC.) Farw.; Rep. Michigan Acad. Sci. 15: 170 (1913)
= Cypripedium bulbosum var. pubescens (Willd.) Farw.; Amer. Midl. Naturalist 10: 207 (1927)
= Cypripedium calceolus f. rupestre Vict. & J.Rousseau; Contr. Inst. Bot. Univ. Montréal 36: 67 (1940)
= Cypripedium calceolus var. planipetalum (Fernald) Vict. & J.Rousseau; Contr. Inst. Bot. Univ. Montréal 36: 68 (1940)
= Cypripedium calceolus var. pubescens (Willd.) Correll; Bot. Mus. Leafl. 7: 14 (1938)
= Cypripedium calceolus   Walt.; Fl. Carol. [Walter] 222 (1788)
= Cypripedium flavescens   Redouté; Liliac. [Redouté] 1: t. 20 (1803)
= Cypripedium luteum   Raf.; Med. Fl. 140, t. 30 (1828)
= Cypripedium luteum var. angustifolium Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium luteum var. biflorum Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium luteum var. concolor Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium luteum var. glabrum Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium luteum var. grandiflorum Raf.; Med. Fl. 1: 140 (1828)
= Cypripedium luteum var. maculatum Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium luteum var. pubescens (Willd.) Raf.; Med. Fl. 1: 142 (1828)
= Cypripedium parviflorum f. planipetalum (Fernald) P.J.Cribb; Hardy Cypripedium 52 (2012)
= Cypripedium parviflorum   Sims; Bot. Mag. t. 911 (1806) [non Salisb.]
= Cypripedium parviflorum var. planipetalum Fernald; Rhodora 28: 168 (1926)
= Cypripedium planipetalum   (Fernald) F.J.A.Morris; Our Wild Orchids [Morris & Eames] 8, 11 (1929)
= Cypripedium pubescens   Willd.; Hort. Berol. [Willdenow] 1: 13 (1804)
= Cypripedium undatum   Raf.; Herb. Raf. 77 (1833)
= Cypripedium veganum   Cockerell & Barker; Proc. Biol. Soc. Washington 14: 178 (1900)
= Cypripedium vittatum   Raf.; Herb. Raf. 2: 43 (1833), nom. illeg.
= Cypripedium vittatum var. tortile Raf.; Herb. Raf. 2: 44 (1833)
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium passerinum
										
										
									 Richardson; Narr. Journey Polar Sea [Franklin], Bot. Append. 4, ed. 2.: 762 (Anl. p. 34). (1823)
								
								
										
		
			
				Name: Sparrow´s Egg Lady´s Slipper
			
			Distribution: Alaska; Canada  (Yukon, N. W. T., SW-Nunavut, British Columbia, Saskatchewan, Manitoba, Alberta, Ontario, W-Québec); NW-USA  (N-Montana)
			70 ASK CDN 71 CDN 72 CDN 73 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium passerinum   Richardson ex Jenn.; Ann. Carnegie Mus. 12: 343 (1919) [descr. emend.]
= Cypripedium passerinum var. minganense Vict.; Trans. Roy. Soc. Canada, Sect. 5, Biol. Sci. 22(5): 168, pl. 1-3 (1929)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium plectrochilum
										
										
									 Franch.; Bull. Soc. Bot. France 32: 27-28 (1885)
								
								
										
		
			
			Distribution: China  (W-Hubei, W-Sichuan, C- to NW-Yunnan); SE-Tibet
			36 CHI TIB
			
			
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium reginae
										
										
									 Walt.; Fl. Carol. [Walter] 222 (1788)
								
								
										
		
			
				Name: Showy Lady´s Slipper, cypripède royal
			
			Distribution: S-Canada  (SE-Saskatchewan, Manitoba, Ontario, S-Québec, New Brunswick, Newfoundland, Nova Scotia, Prince Edward Isl.); USA  (Maine, Vermont, New Hampshire, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Virginia, West Virginia, Kentucky, Tennessee, North Carolina, Ohio, Michigan, Indiana, Illinois, Wisconsin, Minnesota, Missouri, Iowa, NE-North Dakota, Arkansas)
			71 CDN 72 CDN 74 USA 75 USA 78 USA
			
			
			
			
				
					Synonyms: hidden
					
						
							= Calceolus reginae   (Walter) Nieuwl.; Amer. Midl. Naturalist 3: 117 (1913)
= Cypripedium album   Aiton; Hort. Kew. [W.Aiton] 3: 303 (1789)
= Cypripedium calceolus var. gamma L.; Sp. Pl. [Linnaeus] 2: 951 (1753)
= Cypripedium canadense   Michx.; Fl. Bor.-Amer. [Michaux] 2: 261 (1803)
= Cypripedium hirsutum f. album (Rolfe) R.Hoffm.; Proc. Boston Soc. Nat. Hist. 36: 246 (1922)
= Cypripedium reginae f. albolabium Fernald & B.G.Schub.; Rhodora 50: 230 (1948)
= Cypripedium reginae f. album (Aiton) House; Bull. New York State Mus. Nat. Hist. 243-244: 37 (1923)
= Cypripedium reginae var. album (Aiton) Rolfe; Orchid Rev. 19: 208 (1911)
= Cypripedium spectabile   E.Salisb.; Trans. Linn. Soc. London 1: 78 (1791)
= Cypripedium spectabile var. album Sweet; Brit. Fl. Gard. [Sweet] 3: 240 (1828)
= Cypripedium spectabile var. incarnatum Sweet; Brit. Fl. Gard. [Sweet] 3: 240 (1828)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium segawae
										
										
									 Masam.; Trop. Hort. 3: 31 (1933), nomen & Trans. Nat. Hist. Soc. Form. 23: 209 (1933) (as segawai)
								
								
										
		
			
			Distribution: Taiwan  (NE-Taiwan)
			38 TAI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium guttatum var. segawae (Masam.) S.S.Ying; Coloured Ill. Indig. Orchids Taiwan 1(2): 357 (1977)
= Cypripedium reginae var. segawae (Masam.) S.S.Ying; Coloured Illustr. Orchid Fl. Taiwan 1: 340 (1996)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium shanxiense
										
										
									 S.C.Chen; Acta Phytotax. Sin. 21(3): 8-9 (1983)
								
								
										
		
			
			Distribution: Russian Far East  (Khabarovsk, Primorye, Sakhalin); China  (S-Gansu, W-Hebei, S-Nei Mongol, E-Qinghai, Shanxi, NW-Sichuan); North Korea; Japan  (Hokkaido)
			31 RFE 36 CHI 38 JAP NKO
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium sichuanense
										
										
									 Perner; Orchidee (Hamburg) 53(1): 89 (2002)
								
								
										
		
			
			Distribution: China  (Sichuan)
			36 CHI
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium margaritaceum subsp. sichuanense (Perner) Eccarius; Orchideengattung Cypripedium 275 (2009)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium subtropicum
										
										
									 S.C.Chen & K.Y.Lang; Acta Phytotax. Sin. 24(4): 317-322 (1986)
								
								
										
		
			
			Distribution: SE-Tibet; China  (Yunnan)
			36 CHI TIB
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium singchii   Z.J.Liu & L.J.Chen; J. Fairylake Bot. Gard. 27(1): 1 (2009)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium susanae
										
										
									 R.González & Lizb.Hern.; Orquídeas Occid. Mex. 1: 7 (2010)
								
								
										
		
			
			Distribution: Mexico  (Nayarit)
			79 MEX
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium taibaiense
										
										
									 G.H.Zhu & S.C.Chen; Novon 9(3): 454 (1999)
								
								
										
		
			
			Distribution: China  (S-Shaanxi)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium taiwanalpinum
										
										
									 Y.I Lee, P.C.Liao & T.P.Lin; Taiwania 64(4): 343 (2019), nom. nov.
								
								
										
		
			
			Distribution: Taiwan
			38 TAI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium macranthum var. taiwanianum F.Maek.; Wild Orch. Jap. Colour 80 (1971), nom. illeg.
= Cypripedium taiwanianum   Masam.; Trop. Hort. 3: 31 (1987), nomen
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium tibeticum
										
										
									 King ex Rolfe; J. Linn. Soc., Bot. 29: 320 (1893)
								
								
										
		
			
			Distribution: China  (S-Gansu, W-Guizhou, W-Sichuan, W-Yunnan); Tibet; Bhutan; India  (Arunachal Pradesh, Sikkim)
			36 CHI TIB 40 BHU IND
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium amesianum   Williams; Cat. New Pl. [Williams] 22 (1887), et Orch. Alb. 8: t. 346 (1889)
= Cypripedium compactum   Schltr.; Repert. Spec. Nov. Regni Veg., Beih. 12: 327 (1922), nom. illeg.
= Cypripedium corrugatum   Franch.; J. Bot. [Morot] 8: 251 (1894)
= Cypripedium corrugatum var. obesum Franch.; J. Bot. [Morot] 8: 251 (1894)
= Cypripedium lanuginosum   Schltr.; Repert. Spec. Nov. Regni Veg., Beih. 4: 38 (1919)
= Cypripedium macranthos var. tibeticum (King ex Rolfe) Kraenzl.; Orchid. Gen. Sp. 1: 26 (1897)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 variant :
						
								
									var. froschii
									 (Perner) Eccarius; Orchideengattung Cypripedium 212 (2009)
								
								
		
			
			Distribution: China  (Yunnan)
			36 CHI
			
				Remarks: could also be a hybrid C. tibeticum x yunnanense
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium froschii   Perner; Orchidee (Hamburg) Suppl. 6: 10 (1999)
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium wardii
										
										
									 Rolfe; Notes Roy. Bot. Gard. Edinburgh 8: 128 (1913)
								
								
										
		
			
			Distribution: China  (NW-Yunnan, W-Sichuan); SE-Tibet
			36 CHI TIB
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium guttatum var. wardii (Rolfe) P.Taylor; Indian Orchids 1: 35 (1976)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium wumengense
										
										
									 S.C.Chen; Acta Phytotax. Sin. 23(5): 372 (1985)
								
								
										
		
			
			Distribution: China  (NC-Yunnan)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium yatabeanum
										
										
									 Makino; Bot. Mag. (Tokyo) 13: 91 (1899)
								
								
										
		
			
				Name: Green Moccasin-Flower
			
			Distribution: Russian Far East  (Kuril Isl., Kamchatka, Commander Isl.); Aleutes; SW-Alaska  (incl. Kodiak Isl.); N-Japan  (Hokkaido, Honshu)
			31 RFE 38 JAP 70 ASK
			
			
				Conservation Status: IUCN V (Japan)
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium guttatum subsp. yatabeanum (Makino) Hultén; Ark. Bot., a. s. 7: 34 (1968), isonym
= Cypripedium guttatum subsp. yatabeanum (Makino) Murata
= Cypripedium guttatum subsp. yatabeanum (Makino) Soó; isonym
= Cypripedium guttatum var. yatabeanum (Makino) Pfitzer; Pflanzenr. [Engler], IV.50, Heft 12 (Orch.-Pleonandr.): 33 (1903)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium yinshanicum
										
										
									 Ma & Y.Z.Zhao; Classific. Florist. Ecol. Geogr. Distrib. Vasc. Pl. Inner Mongolia 749 (2021)
								
								
										
		
			
			Distribution: China  (Nei Mongol)
			36 CHI
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											Cypripedium yunnanense
										
										
									 Franch.; J. Bot. [Morot] 8: 231 (1894)
								
								
										
		
			
			Distribution: China  (SW- to W-Sichuan, NW-Yunnan); SE-Tibet
			36 CHI TIB
			
			
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium amesianum   Schltr.; Repert. Spec. Nov. Regni Veg., Beih. 4: 38 (1919) [non Williams 1887]
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×alaskanum
											
										
										
									 P.M.Br.; N. Amer. Native Orchid J. 1(3): 199 (1995)
								
								
										
		
			
			Distribution: Alaska
			70 ASK
			
				Remarks: Cypripedium guttatum x yatabeanum
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×andrewsii
											
										
										
									 A.M.Fuller; Rhodora 34: 100 (1932)
								
								
										
		
			
			Distribution: Canada  (C-Canada, E-Canada); NE-USA
			71 CDN 72 CDN 76 USA
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium ×antigone   Rolfe; Gard. Chron., Ser. 3, 20: 716 (1896)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 variant :
						
								
									var. landonii
									 (Garay) B.Boivin; Naturaliste Canad. 87(2): 32 (1960) [nothovar.]
								
								
		
			
			Distribution: N-USA  (Wisconsin)
			74 USA
			
				Remarks: Cypripedium candidum x Cypripedium x andrewsii ¿nothovar. favillianum
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium ×landonii   Garay; Canad. J. Bot. 31: 660 (1953)
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 variant :
						
								
									var. favillianum
									 (J.T.Curtis) B.Boivin; Naturaliste Canad. 87(2): 32 (1960) [nothovar.]
								
								
		
			
			Distribution: N-USA  (Wisconsin)
			74 USA
			
				Remarks: Cypripedium candidum x Cypripedium parviflorum var. pubescens
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium ×favillianum   J.T.Curtis; Rhodora 34: 242 (1932)
						
					 
				
			 
		 
	
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×catherinae
											
										
										
									 Aver.; Turczaninowia 2(2): 34 (1999)
								
								
										
		
			
			Distribution: Russian Far East  (Primorye)
			31 RFE
			
				Remarks: Cypripedium macranthos x shanxiense
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×columbianum
											
										
										
									 Sheviak; Amer. Orchid. Soc. Bull. 91: 546-559 (1992)
								
								
										
		
			
			Distribution: C-Canada  (British Columbia); NW-USA
			71 CDN 73 USA
			
				Remarks: Cypripedium montanum x Cypripedium parviflorum
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×fred-mulleri
											
										
										
									 Szlach., Kolan. &  Górniak; PeerJ 5(e4162): 11 (2017)
								
								
										
		
			
			Distribution: Guatemala
			80 GUA
			
				Remarks: Cypripedium dickinsonianum x C. irapeanum
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×herae
											
										
										
									 Ewacha & Sheviak; Orchids (West Palm Beach) 73(4): 296 (2004)
								
								
										
		
			
			Distribution: Canada  (Manitoba)
			71 CDN
			
				Remarks: Cypripedium parviflorum x Cypripedium reginae
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
			
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×microsaccos
											
										
										
									 Kraenzl.; Russk. Bot. Zhurn. 1913: 58 (1913)
								
								
										
		
			
			Distribution: China  (Jilin)
			36 CHI
			
				Remarks: C. calceolus x C. shanxiense
			
			
			
				
						
					
				
				
						
					
				
				
				
				
			
			
				
					Synonyms: hidden
					
						
							= Cypripedium guttatum subsp. microsaccos (Kraenzl.) Soó; Ann. Univ. Sci. Budapest. Rolando Eötvös, Sect. Biol. 11: 54 (1969)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×ventricosum
											
										
										
									 Sw.; Kongl. Vetensk. Acad. Nya Handl. 21: 251 (1800)
								
								
										
		
			
			Distribution: Siberia  (Altai, Buryatia, W-Siberia, Yakutia); Russian Far East  (Amur, Khabarovsk, Primorye, Sakhalin); China; South Korea; Japan
			30 SIB 31 RFE 36 CHI 38 JAP KOR
			
				Remarks: Cypripedium calceolus x Cypripedium macranthos
			
			
			
				
						
					
				
				
						
					
				
					
						 
					
				
				
				
				
			 
			
				
					Synonyms: hidden
					
						
							= Cypripedium agnicapitatum   Y.N.Lee; Bull. Korea Pl. Res. 2: 28 (2002)
= Cypripedium macranthos f. ventricosum (Sw.) Regel; Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 7, 4(4): 145 (1861)
= Cypripedium macranthos subsp. ventricosum (Sw.) Printz; Veg. Siber.-Mongol. Front. 186 (1921)
= Cypripedium macranthos var. ventricosum (Sw.) Rchb.; Fl. Germ. Excurs. 120 (1830)
= Cypripedium manshuricum   Stapf; (1927)
= Cypripedium manshuricum var. virescens Stapf; (1927)
= Cypripedium morinanthum   Y.N.Lee; Bull. Korea Pl. Res. 2: 31 (2002)
= Cypripedium roseum   Y.N.Lee; Bull. Korea Pl. Res. 2: 32 (2002)
= Cypripedium sinapoides   Y.N.Lee; Bull. Korea Pl. Res. 2: 30 (2002)
= Cypripedium ventricosum nothovar. virescens (Stapf) J.M.H.Shaw; Orchid Rev., Suppl., 111 (1252): 61 (2003)
= Cypripedium ×barbeyi   E.G.Camus; Monogr. Orchid. 453 (1908)
= Cypripedium ×freynii   Karo; Oesterr. Bot. Z. 46: 97 (1896)
= Cypripedium ×kesselringii   G.Keller; Repert. Spec. Nov. Regni Veg. Sonderbeih. A: 2: 18 (1930)
= Cypripedium ×krylowii   Siuzew; Izv. Biol. Nauchno-Issl. Biol. Stantsii Permsk. Gosud. Univ. 4: 435-436 (1926)
= Cypripedium  ×ventricosum nothof. bicolor Aver.; Turczaninowia 2(2): 26 (1999) [nothof.]
= Sacodon ventricosum   Raf.; Fl. Tellur. 4: 45 (1836)
						
					 
				
			 
		 
	
									
							
							
						 
					
						
						
							 species :
						
								
									
									
											
												Cypripedium ×wenqingiae
											
										
										
									 Perner; Orchidee (Hamburg) 49(5): 201 (1998)
								
								
										
		
			
			Distribution: China  (Sichuan)
			36 CHI
			
				Remarks: Cypripedium farreri x tibeticum