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422.0000 Family Polemoniaceae Juss.; Gen. Pl. [Jussieu] 136 (1789), nom. cons.
27 genera, ca. 400 spp.
Species listed in database: 421; hybrids: 6
= Cobaeaceae D.Don; Edinburgh Philos. J. 10: 111 (1824)
422.3101 Genus Polemonium L.; Sp. Pl. [Linnaeus] 1: 162 (1753)
Distribution: holarctic, mostly Siberia and North America, 1 south to Chile and subantarctic
Species listed in database: 37; hybrids: 2
= Polemoniella A.Heller; Muhlenbergia 1: 57 (1904)
species :
Polemonium apachianum J.P.Rose; Syst. Bot. 46(3): 534 (2021)
Distribution: USA (Arizona)
76 USA
species :
Polemonium boreale Adams; Mém. Soc. Imp. Naturalistes Moscou 5: 92 (1817)
Name: Northern Jacob´s-ladder
Distribution: Svalbard; Norway; Finland; N-European Russia; Siberia (Krasnoyarsk, W-Siberia, Yakutia); Russian Far East (Kamchatka, Khabarovsk, Kuril Isl., Magadan); Kazakhstan; Mongolia; Alaska; Greenland; Canada (British Columbia, Northern Territories, Yukon)
10 FIN NOR SVA 14 RUS 30 SIB 31 RFE 32 KAZ 37 MON 70 ASK CDN GNL 71 CDN
Synonyms: hidden
= Polemonium arcticum Nyl. & Saell.; Herb. Mus. Fenn. 107 (1859)
= Polemonium boreale subsp. humile (Hook.) Á.Löve & D.Löve; Bot. Not. 128: 517 (1975 publ. 1976)
= Polemonium boreale subsp. macranthum (Cham.) Hultén; Ark. Bot., a. s. 7(1): 112 (1967 publ. 1968)
= Polemonium boreale subsp. nudipedum (Klokov) Kamelin; Fl. Evropeiskoi Chasti S.S.S.R. 5: 90 (1981)
= Polemonium boreale subsp. richardsonii (Graham) J.P.Anderson; Iowa State Coll. J. Sci. 24: 225 (1950)
= Polemonium boreale var. hyperboreum (Tolm.) Tzvelev; Sosud. Rast. Sovet. Dal´nego Vostoka 7: 291 (1995)
= Polemonium boreale var. macranthum (Cham.) Tzvelev; Sosud. Rast. Sovet. Dal´nego Vostoka 7: 291 (1995)
= Polemonium caeruleum var. humile Hook.; Fl. Bor.-Amer. [Hooker] 2: 71 (1837)
= Polemonium caeruleum var. piliferum Lindl.; Edwards´s Bot. Reg. 15: t. 1303 (1830)
= Polemonium capitatum Benth.; Prodr. [A.P. de Candolle] 9: 317 (1845), nom. illeg.
= Polemonium hultenii H.Hara; Enum. Spermatophytarum Japon. 1: 169 (1948)
= Polemonium humile subsp. macranthum (Cham.) Wherry; Amer. Midl. Naturalist 27: 747 (1942)
= Polemonium humile var. macranthum Cham.; Linnaea 6: 552 (1831)
= Polemonium humile Willd. ex Roem. & Schult.; Syst. Veg., ed. 15bis [Roemer & Schultes] 4: 792 (1819), nom. illeg.
= Polemonium hyperboreum Tolm.; Repert. Spec. Nov. Regni Veg. 23: 273 (1927)
= Polemonium lanatum Fisch. ex Hook. & Arn.; Bot. Beechey Voy. 116 (1832), nom. illeg.
= Polemonium lanatum subsp. boreale (Adams) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 40 (1907)
= Polemonium lanatum var. humile (Hook.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 40 (1907)
= Polemonium lapponicum Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 307 (1955)
= Polemonium lapponum Gand.; Bull. Soc. Bot. France 65: 59 (1918), orth. var.
= Polemonium macranthum (Cham.) Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 313 (1955)
= Polemonium moschatum Wormsk. ex Graham; Edinburgh New Philos. J. 186 (1829)
= Polemonium nudipedum Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 310 (1955)
= Polemonium onegense Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 303 (1955)
= Polemonium prostratum Rudolph ex Georgi; Beschr. Nation. Russ. Reich. 3(4): 772 (1779)
= Polemonium pulcherrimum subsp. hyperboreum (Tolm.) Á.Löve & D.Löve; Bot. Not. 128(4): 517 (1975 publ. 1976)
= Polemonium richardsonii Graham; Edinburgh New Philos. J. 1827(Oct.-Dec.): 175 (1827)
= Polemonium samojedorum Gand.; Bull. Soc. Bot. France 65: 59 (1918)
= Polemonium speciosum Fisch. ex Steud.; Nomencl. Bot. [Steudel], ed. 2, 2: 367 (1841), nom. inval.
species :
Polemonium brandegeei (A.Gray) Greene; Pittonia 1: 126 (1887)
Name: Brandegee´s Jacob´s-ladder
Distribution: USA (Colorado, New Mexico, South Dakota, Utah, Wyoming)
73 USA 74 USA 76 USA 77 USA
Synonyms: hidden
= Gilia brandegeei A.Gray; Proc. Amer. Acad. Arts 11: 85 (1876)
= Gilia brandegeei var. lambornii A.Gray; Syn. Fl. N. Amer. 2(1): 149 (1878)
= Navarretia brandegeei (A.Gray) Kuntze; Revis. Gen. Pl. 2: 433 (1891)
= Polemonium brandegeei f. lambornii (Brand) Wherry; Amer. Midl. Naturalist 27: 743 (1942)
= Polemonium brandegeei subsp. mellitum (A.Gray) Wherry; Amer. Midl. Naturalist 27: 745 (1942)
= Polemonium brandegeei var. lambornii Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 45 (1907)
= Polemonium confertum var. mellitum A.Gray; Proc. Acad. Nat. Sci. Philadelphia 15(2): 73 (1863 publ. 1864)
= Polemonium mellitum (A.Gray) A.Heller; Bull. Torrey Bot. Club 26: 354 (1899)
= Polemonium viscosum subsp. mellitum (A.Gray) J.F.Davidson; Univ. Calif. Publ. Bot. 23: 264 (1950)
= Polemonium viscosum var. mellitum (A.Gray) B.Boivin; Phytologia 22(5): 359 (1972)
species :
Polemonium caeruleum L.; Sp. Pl. [Linnaeus] 1: 162 (1753)
subspecies :
subsp. caeruleum
Name: Charity, Jacob´s-ladder (EN), Blaue Himmelsleiter (DE)
Distribution: Iceland [I]; England (N-England, Wales [I], Isle of Man [I], Scotland [I]); Ireland [I] (Ireland [I], Northern Ireland [I]); Denmark [I]; Norway; Sweden; Finland; Netherlands [I]; Belgium [I]; Luxembourg [I]; Germany (Brandenburg [I], Berlin [I], Baden-Württemberg, Bayern, Hessen, Hessen [I], Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Schleswig-Holstein [I], Saarland [I], Sachsen [I], Sachsen-Anhalt, Thüringen); Switzerland; Austria; Poland; Czech Republic; Slovakia; France; Italy; Croatia; Bosnia & Hercegovina; Serbia; Kosovo; Romania; N-Estonia; Latvia; Lithuania; Belarus; C-European Russia; E-European Russia; N-European Russia; W-European Russia; Ukraine; Siberia (Altai, Krasnoyarsk, Tuva, W-Siberia); New Zealand [I]; Canada [I] (Québec [I]); USA [I] (Maine [I], Michigan [I], Minnesota [I], New Hampshire [I], New Jersey [I], New York [I], Ohio [I], Pennsylvania [I], Vermont [I], Wisconsin [I])
10 den FIN GRB ice ire NOR SWE 11 AUT bgm CZE GER lux net POL SLO SWI 12 FRA 13 BIH CRO ITA KOS ROM SRB 14 BLR EST LAT LIT RUS UKR 30 SIB 51 nzl 72 cdn 74 usa 75 usa
Synonyms: hidden
= Polemonium album Fisch.; Zus. Naturg. Livl. 109 (1784)
= Polemonium caeruleum f. album (Fisch.) Wherry; Amer. Midl. Naturalist 27: 742 (1942)
= Polemonium caeruleum var. acutipetalum Engl.; Index Sem. (München) 1873: 7 (1873)
= Polemonium caeruleum var. album H.Mart.; Prodr. Fl. Mosq., Ed. Alt. 38 (1817), nom. inval.
= Polemonium caeruleum var. gracile (Willd.) Rchb.; Fl. Germ. Excurs. 3 (Clav. Enum. Gen.): XXXIV (1833), nom. inval.
= Polemonium caeruleum var. gracile (Willd.) Trevir.; Index Sem. (Breslau) 1818: 5 (1818)
= Polemonium caeruleum var. lacteum (Lehm.) Benth.; Prodr. [A.P. de Candolle] 9: 317 (1845)
= Polemonium caeruleum var. lacteum (Lehm.) Rchb.; Fl. Germ. Excurs. 3 (Clav. Enum. Gen.): XXXIV (1833), nom. inval.
= Polemonium dissectum Rchb.; Icon. Fl. Germ. Helv. [H.G.L.Reichenbach] 4: 38 (1840)
= Polemonium elatum Salisb.; Prodr. Stirp. Chap. Allerton 125 (1796), nom. inval.
= Polemonium frolovianum Fisch. ex Herder; Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 484 (1874)
= Polemonium gracile Willd.; Enum. Pl. [Willdenow], Suppl. 10 (1814)
= Polemonium lacteum Lehm.; Index Sem. (Hamburg) 1825: 17 (1825)
= Polemonium lanatum Pall.; Reise Russ. Reich. [Pallas] 3: 33 (1776)
= Polemonium sibiricum D.Don; Edinburgh Philos. J. 7: 287 (1822)
= Polemonium valerianifolia Gilib.; Fl. Lit. Inch. 1: 45 (1782), opus utique oppr.
= Polemonium vulgare Gray; Nat. Arr. Brit. Pl. 2: 341 (1821 publ. 1822)
subspecies :
subsp. himalayanum (Baker) H.Hara; J. Jap. Bot. 52(12): 357 (1977)
Distribution: Pakistan (Chitral, Swat, Hazara, Deosai, Gilgit); Nepal; India (Himachal Pradesh, Jammu & Kashmir, Punjab, Uttar Pradesh, Uttarakhand)
40 IND NEP PAK
Synonyms: hidden
= Polemonium caeruleum var. himalayanum Baker; Gard. Chron., Ser. 3, 1: 766 (1887)
= Polemonium himalaicum A.K.Skvortsov & Proskur.; Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 81(4): 152 (1976)
= Polemonium himalayanum (Baker) Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 320 (1955), cum descr. ampl.
subspecies :
subsp. yezoense (Miyabe & Kudô) H.Hara; J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 364 (1956)
Distribution: Japan (Hokkaido, Honshu)
38 JAP
Synonyms: hidden
= Polemonium caeruleum var. yezoense Miyabe & Kudô; Trans. Sapporo Nat. Hist. Soc. 4: 99 (1913)
= Polemonium yezoense (Miyabe & Kudô) Kitam.; Acta Phytotax. Geobot. 10: 177 (1941)
variant :
var. nipponicum (Kitam.) Koji Ito; Environm. Sci. (Hokkaido) 6(2): 268 (1983)
Distribution: Japan (Honshu)
38 JAP
Synonyms: hidden
= Polemonium acutiflorum var. nipponicum (Kitam.) Ohwi; Bull. Natl. Sci. Mus. Tokyo 33: 84 (1953)
= Polemonium nipponicum Kitam.; Acta Phytotax. Geobot. 10: 181 (1941)
form :
f. hidakanum (Koji Ito) Koji Ito; Environm. Sci. (Hokkaido) 6(2): 270 (1983)
Distribution: Japan
38 JAP
Synonyms: hidden
= Polemonium yezoense var. hidakanum Koji Ito
species :
Polemonium californicum Eastw.; Bot. Gaz. 37: 437 (1904)
Name: Moving polemonium
Distribution: USA (California, Idaho, Nevada, Oregon, Washington State)
73 USA 76 USA
Synonyms: hidden
= Polemonium californicum f. oreades (Gand.) Wherry; Amer. Midl. Naturalist 27: 751 (1942)
= Polemonium californicum f. oregonense (Gand.) Wherry; Amer. Midl. Naturalist 27: 751 (1942)
= Polemonium californicum f. paddoense (Gand.) Wherry; Amer. Midl. Naturalist 27: 751 (1942)
= Polemonium californicum subsp. columbianum (Rydb.) Wherry; Aliso 6: 100 (1967)
= Polemonium calycinum Eastw.; Bot. Gaz. 37: 438 (1904)
= Polemonium columbianum Rydb.; Bull. Torrey Bot. Club 40: 177 (1913)
= Polemonium oreades Gand.; Bull. Soc. Bot. France 65: 58 (1918)
= Polemonium oregonense Gand.; Bull. Soc. Bot. France 65: 58 (1918)
= Polemonium paddoense Gand.; Bull. Soc. Bot. France 65: 58 (1918)
= Polemonium pulcherrimum subsp. tricolor (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 35 (1907)
= Polemonium pulcherrimum var. calycinum (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 35 (1907)
= Polemonium tricolor Eastw.; Bot. Gaz. 37: 439 (1904)
species :
Polemonium campanulatum (Th.Fr.) Th.Fr.; Not. Sällsk. Fauna Fl. Fenn. Förh. 13: 258 (1871-1874 publ. 1874)
Distribution: N-European Russia; Siberia (Krasnoyarsk, W-Siberia); Russian Far East (Kamchatka, Khabarovsk, Kuril Isl., Magadan, Sakhalin, Commander Isl.); Japan
14 RUS 30 SIB 31 RFE 38 JAP
Synonyms: hidden
= Polemonium caeruleum f. paludosum Koji Ito; Environm. Sci. (Hokkaido) 6: 264 (1983), nom. inval.
= Polemonium caeruleum subsp. campanulatum Th.Fr.; Bot. Not. 1858: 190 (1858)
= Polemonium caeruleum var. paludosum (Koji Ito) T.Yamaz.; Fl. Jap. [Iwatsuki et al., eds.] 3a: 243 (1993), nom. inval.
= Polemonium campanulatum (Th.Fr.) H.Lindb.; Sv. Fanerogamfl. 457 (1918), isonym
= Polemonium pacificum V.N.Vassil.; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 15: 222 (1953)
= Polemonium villosum subsp. pacificum (V.N.Vassil.) Á.Löve & D.Löve
species :
Polemonium carneum A.Gray; Syn. Fl. N. Amer. 2(1): 151 (1878)
Name: Royal Jacob´s-ladder
Distribution: USA (California, Oregon, Washington State)
73 USA 76 USA
Synonyms: hidden
= Polemonium amoenum Piper; Erythea 7: 174 (1899)
= Polemonium carneum f. amoenum (Piper) G.N.Jones; Univ. Wash. Publ. Biol. 5: 215 (1936)
= Polemonium carneum f. luteum (A.Gray) Wherry; Amer. Midl. Naturalist 27: 748 (1942)
= Polemonium carneum subsp. amoenum (Piper) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 41 (1907)
= Polemonium carneum subsp. luteum (A.Gray) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 41 (1907)
= Polemonium carneum var. luteum A.Gray; Syn. Fl. N. Amer., ed. 2, 2(1): 412 (1886)
species :
Polemonium caucasicum N.Busch; Trudy Bot. Muz. 19: 187 (1926)
Distribution: Kazakhstan; Kyrgyzstan; Northern Caucasus; Georgia [Caucasus]; Armenia; Azerbaijan; Turkey (E-Anatolia)
32 KAZ KGZ 33 ARM AZE GEO NCS 34 TUR
Synonyms: hidden
= Polemonium caeruleum subsp. caucasicum (N.Busch) Avetisyan; Biol. Zhurn. Armenii 2(3): 83 (1969)
= Polemonium lanatum Pall. ex M.Bieb.; Fl. Taur.-Caucas. 3: 138 (1819), nom. illeg.
species :
Polemonium chartaceum H.Mason; Man. Fl. Pl. Calif. [Jepson] 783 (1925)
Name: Mason´s Jacob´s-ladder
Distribution: USA (California, Nevada)
76 USA
Synonyms: hidden
= Polemonium confertum var. chartaceum (H.Mason) Jeps.; Fl. Calif. [Jepson] 3: 137 (1943)
= Polemonium viscosum subsp. chartaceum (H.Mason) A.E.Murray; Kalmia 12: 23 (1982)
= Polemonium viscosum var. chartaceum (H.Mason) A.E.Murray; Kalmia 13: 24 (1983)
species :
Polemonium chinense (Brand) Brand; Repert. Spec. Nov. Regni Veg., Beih. 17: 316 (1922)
Distribution: Russian Far East (Amur, Kamchatka, Khabarovsk, Primorye, Sakhalin); China (Gansu, Heilongjiang, Hubei, Jilin, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shanxi, NE-Sichuan); Mongolia; North Korea; Japan (Hokkaido)
31 RFE 36 CHI 37 MON 38 JAP NKO
Synonyms: hidden
= Polemonium caeruleum f. albiflorum Tatew.; Acta Phytotax. Geobot. 2: 252 (1933), nom. inval.
= Polemonium caeruleum f. insulare Koji Ito; Environm. Sci. (Hokkaido) 6: 263 (1983)
= Polemonium caeruleum lusus laxiflorum Regel; Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 7, 4(4): 106 (1861)
= Polemonium caeruleum subsp. laxiflorum (Regel) Koji Ito; Environm. Sci. (Hokkaido) 6: 261 (1983)
= Polemonium caeruleum subf. albiflorum Tatew. ex Koji Ito; Environm. Sci. (Hokkaido) 6: 263 (1983)
= Polemonium caeruleum var. chinense Brand; Annuaire Conserv. Jard. Bot. Genève 15/16: 324 (1913)
= Polemonium chinense var. hirticaulum G.H.Liu & Y.Q.Ma; Acta Sci. Nat. Univ. Intramongol. 20: 392 (1989)
= Polemonium laxiflorum (Regel) Kitam.; Acta Phytotax. Geobot. 10(3): 182, f. 6 (1941)
= Polemonium liniflorum V.N.Vassil.; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 15: 218 (1953)
= Polemonium racemosum var. laxiflorum (Kitam.) Nakai; Bull. Natl. Sci. Mus. Tokyo 31: 96 (1952)
species :
Polemonium eddyense Stubbs; Madroño 60(3): 243 (2013)
Distribution: USA (California)
76 USA
species :
Polemonium elegans Greene; Pittonia 3: 805 (1898)
Name: Elegant Jacob´s-ladder
Distribution: Canada (British Columbia); USA (Washington State)
71 CDN 73 USA
Synonyms: hidden
= Polemonium bicolor Greenm.; Bot. Gaz. 25: 262 (1898)
= Polemonium elegans f. bicolor (Greenm.) Wherry; Amer. Midl. Naturalist 27: 743 (1942)
= Polemonium viscosum subsp. elegans (Greene) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 44 (1907)
species :
Polemonium elusum J.J.Irwin & R.L.Hartm.; J. Bot. Res. Inst. Texas 6(2): 331 (2012)
Distribution: USA (Idaho)
73 USA
species :
Polemonium eximium Greene; Pittonia 3: 805 (1898)
Name: Skypilot
Distribution: USA (California)
76 USA
Synonyms: hidden
= Polemonium confertum var. eximium (Greene) Jeps.; Man. Fl. Pl. Calif. [Jepson] 783 (1925)
= Polemonium viscosum subsp. eximium (Greene) A.E.Murray; Kalmia 12: 23 (1982)
= Polemonium viscosum var. eximium (Greene) A.E.Murray; Kalmia 13: 24 (1983)
species :
Polemonium foliosissimum A.Gray; Syn. Fl. N. Amer. 2(1): 151 (1878)
Name: Towering Jacob´s-ladder
Distribution: USA (Arizona, Colorado, New Mexico, Utah); Mexico (Ciudad de Mexico, Hidalgo, Mexico State, Michoacan, Morelos, Puebla, Tlaxcala)
73 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Polemonium archibaldiae A.Nelson; Bot. Gaz. 31: 397 (1901)
= Polemonium filicinum var. archibaldiae (A.Nelson) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 37 (1907)
= Polemonium foliosissimum f. molle (Greene) Wherry; Amer. Midl. Naturalist 27: 749 (1942)
= Polemonium foliosissimum subsp. archibaldiae (A.Nelson) Wherry; Amer. Midl. Naturalist 27: 742 (1942)
= Polemonium foliosissimum subsp. robustum (Rydb.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 34 (1907)
= Polemonium foliosissimum var. molle (Greene) Anway; Amer. Midl. Naturalist 79: 474 (1968)
= Polemonium grande Greene; Leafl. Bot. Observ. Crit. 1: 153 (1905)
= Polemonium mexicanum Cerv. ex Lag.; Gen. Sp. Pl. [Lagasca] 10 (1816)
= Polemonium molle Greene; Leafl. Bot. Observ. Crit. 1: 153 (1905)
= Polemonium pterospermum A.Nelson & Cockerell; Proc. Biol. Soc. Washington 16: 45 (1903)
= Polemonium robustum Rydb.; Bull. Torrey Bot. Club 635 (1904)
variant :
var. alpinum Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 34 (1907)
Name: Alpine Jacob´s-ladder
Distribution: USA (Idaho, Nevada, Utah, Wyoming)
73 USA 76 USA
Synonyms: hidden
= Polemonium albiflorum Eastw.; Bot. Gaz. 37: 437 (1904)
= Polemonium decurrens Brand; Repert. Spec. Nov. Regni Veg. 17: 316 (1921)
= Polemonium foliosissimum f. alpinum (Brand) Wherry; Amer. Midl. Naturalist 34: 378 (1945)
= Polemonium foliosissimum subsp. albiflorum (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 34 (1907)
= Polemonium foliosissimum subsp. decurrens (Brand) Wherry; Amer. Midl. Naturalist 27: 745 (1942)
variant :
var. flavum (Greene) Anway; Amer. Midl. Naturalist 79: 472 (1968)
Name: Yellow Jacob´s-ladder
Distribution: USA (Arizona, New Mexico)
76 USA 77 USA
Synonyms: hidden
= Polemonium filicinum Greene; Pittonia 1: 124 (1887)
= Polemonium flavum Greene; Bot. Gaz. 6: 217 (1881)
species :
Polemonium glabrum J.F.Davidson; Madroño 9: 187 (1948)
Distribution: Mexico (Chihuahua, Sinaloa)
79 MEX
species :
Polemonium grandiflorum Benth.; Prodr. [A.P. de Candolle] 9: 317 (1845)
Distribution: Mexico (Chihuahua, Ciudad de Mexico, Durango, Guanajuato, Hidalgo, Mexico State, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tlaxcala, Veracruz)
79 MEX
Synonyms: hidden
= Polemonium ehrenbergii Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 41 (1907)
= Polemonium grandiflorum var. luteum (Greene) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 41 (1907)
= Polemonium luteum Greene; Pittonia 4: 100 (1899)
species :
Polemonium hingganicum (P.H.Huang & S.Y.Li) S.Y.Li & Adair; Sida 16(1): 185 (1994)
Distribution: NE-China
36 CHI
Synonyms: hidden
= Polemonium boreale subsp. hingganicum P.H.Huang & S.Y.Li; Bull. Bot. Lab. N. E. Forest. Inst., Harbin 5(4): 151 (1985)
species :
Polemonium kiushianum Kitam.; Acta Phytotax. Geobot. 10: 179 (1941)
Distribution: Japan (Kyushu)
38 JAP
Synonyms: hidden
= Polemonium caeruleum f. albiflorum (Y.N.Lee) M.Kim; Korean Endemic Pl. 330 (2004)
= Polemonium caeruleum subsp. kiushianum (Kitam.) H.Hara; J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 364 (1956)
= Polemonium kiushianum f. albiflorum Y.N.Lee; Fl. Korea [Lee] 1160 (1996), nom. inval.
species :
Polemonium lacustre (Wherry) J.P.Rose & Sytsma; Novon 31(1): 30 (2023)
Distribution: USA (Minnesota, Wisconsin)
74 USA 75 USA
Synonyms: hidden
= Polemonium occidentale subsp. lacustre Wherry; Amer. Midl. Naturalist 34: 376, fig. 2 (1945)
= Polemonium occidentale var. lacustre (Wherry) Lakela; Rhodora 49: 119 (1947)
species :
Polemonium majus Tolm.; Repert. Spec. Nov. Regni Veg. 23: 274 (1927)
Distribution: Russian Far East (Kamchatka)
31 RFE
species :
Polemonium micranthum Benth.; Prodr. [A.P. de Candolle] 9: 318 (1845)
Name: Annual polemonium
Distribution: Canada (British Columbia); USA (California, Idaho, Massachusetts, Montana, North Dakota, Nevada, Oregon, Pennsylvania, Utah, Washington State, Wyoming); Argentina (Chubut, Mendoza, Neuquén, Rio Negro, Santa Cruz, Tierra del Fuego); Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, Aisén, Magallanes)
71 CDN 73 USA 74 USA 75 USA 76 USA 85 ARG CLE
Synonyms: hidden
= Gilia arcuata Hieron.; Bol. Acad. Ci. (Córdoba) 3: 367 (1879)
= Gilia diffusa Phil.; Linnaea 30: 197 (1859-61)
= Gilia gayana Wedd.; Chlor. Andina 2: 82 (1859)
= Gilia johowii F.Meigen; Bot. Jahrb. Syst. 17(3-4): 266, 291 (1893)
= Navarretia diffusa (Phil.) Kuntze; Revis. Gen. Pl. 2: 433 (1891)
= Navarretia gayana (Wedd.) Kuntze; Revis. Gen. Pl. 2: 433 (1891)
= Polemoniella antarctica (Griseb.) A.Nelson & J.F.Macbr.; Bot. Gaz. 61: 35 (1916)
= Polemoniella antarctica f. arcuata (Hieron.) Wherry; Amer. Midl. Naturalist 31: 213 (1944)
= Polemoniella antarctica f. diffusa (Phil.) Wherry; Amer. Midl. Naturalist 31: 213 (1944)
= Polemoniella antarctica f. gayana (Wedd.) Wherry; Amer. Midl. Naturalist 31: 213 (1944)
= Polemoniella antarctica f. johowii (F.Meigen) Wherry; Amer. Midl. Naturalist 31: 213 (1944)
= Polemoniella antarctica f. violascens (Brand) Wherry; Amer. Midl. Naturalist 31: 214 (1944)
= Polemoniella gayana (Wedd.) A.Nelson & J.F.Macbr.; Bot. Gaz. 61: 35 (1916)
= Polemoniella micrantha (Benth.) A.Heller; Muhlenbergia 1: 57 (1904)
= Polemonium antarcticum f. violascens Speg. ex Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 46 (1907)
= Polemonium antarcticum Griseb.; Abh. Königl. Ges. Wiss. Göttingen 6: 131 (1854)
= Polemonium gayanum (Wedd.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 46 (1907)
= Polemonium gayanum var. violascens (Speg.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 46 (1907)
species :
Polemonium nevadense Wherry; Amer. Midl. Naturalist 34: 375 (1945)
Name: Nevada Jacob´s-ladder
Distribution: USA (Nevada)
76 USA
species :
Polemonium occidentale Greene; Pittonia 2: 75 (1890) ex Brand
Name: Western polemonium
Distribution: Canada (Alberta, British Columbia); USA (California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington State, Wyoming)
71 CDN 73 USA 76 USA
Synonyms: hidden
= Polemonium acutiflorum subsp. occidentale (Greene) Hultén; Acta Univ. Lund., Ser. 2, 44(1): 1323 (1948)
= Polemonium caeruleum subsp. amygdalinum (Wherry) Munz; Aliso 4: 96 (1958)
= Polemonium caeruleum subsp. occidentale (Greene) J.F.Davidson; Univ. Calif. Publ. Bot. 23: 225 (1950)
= Polemonium caeruleum var. foliosissimum A.Gray; Proc. Amer. Acad. Arts 8: 281 (1870)
= Polemonium caeruleum var. occidentale (Greene) H.St.John; Fl. S.-e. Washington [St. John], ed. 2: 551 (1956)
= Polemonium caeruleum var. pterospermum Benth.; Prodr. [A.P. de Candolle] 9: 317 (1845)
= Polemonium helleri Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 32 (1907)
= Polemonium intermedium (Brand) Rydb.; Bull. Torrey Bot. Club 40: 478 (1913)
= Polemonium occidentale subsp. amygdalinum Wherry; Amer. Midl. Naturalist 27: 750, fig (1942)
= Polemonium occidentale var. intermedium Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 33 (1907)
species :
Polemonium pauciflorum S.Watson; Proc. Amer. Acad. Arts 23: 280 (1888)
subspecies :
subsp. pauciflorum
Name: Fewflower Jacob´s-ladder
Distribution: USA (Arizona); Mexico (Chihuahua, Coahuila, Durango, Jalisco, Nuevo Leon, Queretaro, Sonora, Zacatecas)
76 USA 79 MEX
subspecies :
subsp. hinckleyi (Standl.) Wherry; Amer. Midl. Naturalist 27: 747 (1942)
Name: Hinckley´s polemonium
Distribution: USA (Arizona, Texas)
76 USA 77 USA
Synonyms: hidden
= Polemonium hinckleyi Standl.; Amer. Midl. Naturalist 18: 684 (1937)
subspecies :
subsp. melindae (Rzed., Calderón & Villarreal) J.M.Porter & L.A.Johnson; Aliso 19(1): 85 (2000)
Distribution: Mexico (Chihuahua, Durango, Guanajuato, Queretaro, Sonora)
79 MEX
Synonyms: hidden
= Polemonium melindae Rzed., Calderón & Villarreal; Acta Bot. Mex. 31: 58 (1995)
subspecies :
subsp. stenocalyx (Standl.) Wherry; Amer. Midl. Naturalist 27: 754 (1942)
Distribution: Mexico (Nuevo León)
79 MEX
Synonyms: hidden
= Polemonium stenocalyx Standl.; Amer. Midl. Naturalist 18: 684 (1937)
species :
Polemonium pectinatum Greene; Bull. Calif. Acad. Sci. 1: 10 (1884)
Name: Washington Jacob´s-ladder
Distribution: USA (Washington State)
73 USA
species :
Polemonium pulchellum Bunge; Fl. Altaic. [Ledebour] 1: 233 (1829)
Distribution: Siberia (Altai, Buryatia, Irkutsk, Krasnoyarsk, Tuva); Kazakhstan; China (Xinjiang); Mongolia
30 SIB 32 KAZ 36 CHI 37 MON
Synonyms: hidden
= Polemonium boreale var. pulchellum (Bunge) Steffen; Beih. Bot. Centralbl. 44(2): 319 (1928)
= Polemonium humile var. pulchellum (Bunge) A.Gray; Syn. Fl. N. Amer. 2(1): 150 (1878)
= Polemonium lanatum subsp. pulchellum (Bunge) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 40 (1907)
= Polemonium pseudopulchellum V.N.Vassil.; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 15: 225 (1953)
= Polemonium pulchellum subsp. pseudopulchellum (V.N.Vassil.) T.V.Egorova & Sipliv.
species :
Polemonium pulcherrimum Hook.; Bot. Mag. t. 2979 (1830)
subspecies :
subsp. pulcherrimum
Name: Showy Jacob´s Ladder
Distribution: Siberia (Yakutia); Russian Far East (Khabarovsk, Magadan); Alaska; Canada (Alberta, British Columbia, Yukon); USA (California, Idaho, Montana, Nevada, Oregon, Washington State, Wyoming)
30 SIB 31 RFE 70 ASK CDN 71 CDN 73 USA 76 USA
Synonyms: hidden
= Polemonium berryi Eastw.; Bot. Gaz. 37: 440 (1904)
= Polemonium caeruleum var. pulcherrimum (Hook.) Hook.; Fl. Bor.-Amer. [Hooker] 2: 71 (1837)
= Polemonium haydenii A.Heller; Bull. Torrey Bot. Club 353 (1899)
= Polemonium haydenii f. orbiculare (Gand.) Wherry; Amer. Midl. Naturalist 27: 751 (1942)
= Polemonium humile f. pulcherrimum (Hook.) Voss; Vilm. Blumengärtn. ed. 3 [Siebert & Voss], 1: 685 (1894)
= Polemonium montrosense A.Nelson; Proc. Biol. Soc. Washington 18: 174 (1905)
= Polemonium orbiculare Gand.; Bull. Soc. Bot. France 65: 58 (1918)
= Polemonium parviflorum Tolm.; Bot. Mater. Gerb. Glavn. Bot. Sada R.S.F.S.R. 4: 48 (1923)
= Polemonium parvifolium Nutt. ex Rydb.; Bull. Torrey Bot. Club 24: 253 (1897)
= Polemonium pilosum (Greenm.) G.N.Jones; Univ. Wash. Publ. Biol. 5: 215 (1936)
= Polemonium pulcherrimum f. candidum B.Boivin; Naturaliste Canad. 93: 1062 (1967)
= Polemonium pulcherrimum f. montrosense (A.Nelson) Wherry; Amer. Midl. Naturalist 27: 749 (1942)
= Polemonium pulcherrimum f. parvifolium (Nutt. ex Rydb.) Wherry; Amer. Midl. Naturalist 27: 751 (1942)
= Polemonium pulcherrimum f. tevisii (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 754 (1907)
= Polemonium pulcherrimum subsp. parvifolium (Nutt. ex Rydb.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 35 (1907)
= Polemonium pulcherrimum var. berryi (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 36 (1907)
= Polemonium pulcherrimum var. haydenii (A.Heller) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 35 (1907)
= Polemonium pulcherrimum var. parvifolium (Nutt. ex Rydb.) A.Nelson; New Man. Bot. Centr. Rocky Mt., ed. 2: 404 (1909)
= Polemonium pulcherrimum var. pilosum (Greenm.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 36 (1907)
= Polemonium rotatum Eastw.; Bot. Gaz. 37: 441 (1904)
= Polemonium shastense f. pilosum (Greenm.) Wherry; Amer. Midl. Naturalist 27: 752 (1942)
= Polemonium tevisii Eastw.; Bot. Gaz. 37: 440 (1904)
= Polemonium viscosum subsp. pilosum (Greenm.) Piper & Beattie; Fl. N.W. Coast [Piper & Beattie] 295 (1915)
= Polemonium viscosum var. pilosum Greenm.; Bot. Gaz. 25: 263 (1898)
variant :
var. delicatum (Rydb.) Cronquist; Vasc. Pl. Pacif. N. W. [C.L. Hitchcock et al.] 4: 142 (1959)
Distribution: USA (Arizona, Colorado, New Mexico, Nevada, Utah, Wyoming)
73 USA 76 USA 77 USA
Synonyms: hidden
= Polemonium delicatum f. coryphocola (Clem. ex Brand) Wherry; Amer. Midl. Naturalist 27: 752 (1942)
= Polemonium delicatum Rydb.; Bull. Torrey Bot. Club 28: 29 (1901)
= Polemonium delicatum subsp. scopulinum (Greene ex Rydb.) Wherry; Amer. Midl. Naturalist 27: 753 (1942)
= Polemonium pulcherrimum subsp. delicatum (Rydb.) Brand; Bull. Torrey Bot. Club 28: 29 (1901)
= Polemonium scopulinum Greene ex Rydb.; Fl. Colorado [Rydberg] 280 (1906)
variant :
var. shastense (Eastw.) Stubbs; Madroño 60(3): 244 (2013)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Polemonium pulcherrimum subvar. shastense (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 36 (1907)
= Polemonium shastense Baker ex Eastw.; Bull. Torrey Bot. Club 205 (1905)
subspecies :
subsp. lindleyi (Wherry) V.E.Grant; Bot. Gaz. 150(2): 163 (1989)
Distribution: Alaska; Canada (British Columbia, Northern Territories, Yukon); USA (Idaho, Washington State)
70 ASK CDN 71 CDN 73 USA
Synonyms: hidden
= Polemonium fasciculatum Eastw.; Bot. Gaz. 37: 442 (1904)
= Polemonium humile Lindl.; Edwards´s Bot. Reg. 15: t. 1304 (1830), non Willd. ex Roem. & Schult.
= Polemonium lindleyi Wherry; Amer. Midl. Naturalist 27: 748 (1942)
= Polemonium pulcherrimum var. lindleyi (Wherry) J.P.Anderson; Iowa State Coll. J. Sci. 24: 225 (1950)
= Polemonium rotatum var. fasciculatum (Eastw.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 36 (1907)
species :
Polemonium reptans L.; Syst. Nat., ed. 10, 2: 925 (1759)
Name: Greek valerian (EN), Kriechende Himmelsleiter (DE)
Distribution: Germany [I]; Canada (Ontario, Québec); USA (Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Dakota, Tennessee, Virginia, Vermont, Wisconsin, West Virginia)
11 ger 72 CDN 74 USA 75 USA 78 USA
Synonyms: hidden
= Polemonium humile Salisb.; Prodr. Stirp. Chap. Allerton 125 (1796), nom. superfl.
= Polemonium longii Fernald; Rhodora 51: 77 (1949)
= Polemonium quadriflorum Raf.; Atlantic J. 1: 177 (1833)
= Polemonium reptans f. macrophyllum (Brand) Wherry; Amer. Midl. Naturalist 34: 378 (1945)
= Polemonium reptans f. quadriflorum (Raf.) Wherry; Amer. Midl. Naturalist 34: 378 (1945)
= Polemonium reptans f. villosum (E.L.Braun) Wherry; Amer. Midl. Naturalist 27: 753 (1942)
= Polemonium reptans var. macrophyllum Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 33 (1907)
= Polemonium reptans var. villosum E.L.Braun; Rhodora 42: 50 (1940)
species :
Polemonium sachalinense Vorosch.; Byull. Glavn. Bot. Sada 130: 39 (1984)
Distribution: Russian Far East (Sakhalin)
31 RFE
species :
Polemonium schizanthum Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 315 (1955)
Distribution: Russian Far East (Khabarovsk, Kuril Isl., Magadan, Primorye, Sakhalin); ?Japan
31 RFE
Remarks: provisionally accepted name
species :
Polemonium schmidtii Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 318 (1955)
Distribution: Siberia (Krasnoyarsk, Yakutia); Russian Far East (Amur, Khabarovsk, Magadan, Primorye, Sakhalin)
30 SIB 31 RFE
Remarks: provisionally accepted name
species :
Polemonium sumushanense G.H.Liu & Ma; Acta Sci. Nat. Univ. Intramongol. 1: 20: 392 (1989)
Distribution: China (Nei Mongol)
36 CHI
species :
Polemonium vanbruntiae Britton; Bull. Torrey Bot. Club 19: 224, t. 131 (1892)
Name: Vanbrunt´s polemonium
Distribution: Canada (New Brunswick, Québec); USA (Maryland, Maine, New Jersey, New York, Pennsylvania, Vermont, West Virginia)
72 CDN 75 USA 78 USA
Synonyms: hidden
= Polemonium acutiflorum subsp. vanbruntiae (Britton) Hultén; Acta Univ. Lund., Ser. 2, 44, no. 1: 1324 (1948)
= Polemonium caeruleum subsp. vanbruntiae (Britton) J.F.Davidson; Univ. Calif. Publ. Bot. 23: 221 (1950)
species :
Polemonium villosissimum (Hultén) D.F.Murray & Elven; J. Bot. Res. Inst. Texas 5(1): 19 (2011)
Distribution: Alaska
70 ASK
Synonyms: hidden
= Polemonium boreale var. villosissimum Hultén; Ark. Bot., a. s. 7(1): 113 (1968)
species :
Polemonium villosum Rudolph ex Georgi; Beschr. Nation. Russ. Reich. 3(4): 771 (1779)
Name: Spitzblütige Himmelsleiter, Tall Jacob´s-ladder
Distribution: Norway; Sweden; Finland; E-European Russia (incl. Novaja Zemlja); N-European Russia; Siberia (Buryatia, Irkutsk, Krasnoyarsk, W-Siberia, Yakutia); Russian Far East (Kamchatka, Khabarovsk, Kuril Isl., Magadan, Primorye); China (Heilongjiang, Jilin, Liaoning, Nei Mongol); North Korea; Alaska; Canada (Alberta, British Columbia, Northern Territories, Yukon)
10 FIN NOR SWE 14 RUS 30 SIB 31 RFE 36 CHI 38 NKO 70 ASK CDN 71 CDN
Synonyms: hidden
= Polemonium acutiflorum f. lacteum Lepage; Naturaliste Canad. 77: 228 (1950)
= Polemonium acutiflorum subsp. diminutum (Klokov) Kamelin; Fl. Evropeiskoi Chasti S.S.S.R. 5: 89 (1981)
= Polemonium acutiflorum Willd.; Syst. Veg., ed. 15bis [Roemer & Schultes] 4: 792 (1819)
= Polemonium caeruleum lusus racemosum Regel; Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 7, 4(4): 106 (1861)
= Polemonium caeruleum subsp. villosum (Rudolph ex Georgi) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 38 (1907)
= Polemonium caeruleum var. acutiflorum (Willd. ex Roem. & Schult.) Ledeb.; Fl. Ross. [Ledebour] 3: 84 (1847)
= Polemonium caeruleum var. racemosum (Regel) Miyabe & Kudô; Trans. Sapporo Nat. Hist. Soc. 4: 101 (1913)
= Polemonium caeruleum var. subalpinum Polozhij; Sist. Zametki Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva 86: 16 (1979), without type
= Polemonium campanulatum H.Lindb. ex Lindm.; Sv. Fanerogamfl. 457 (1918), nom. illeg.
= Polemonium diminutum Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 289 (1955)
= Polemonium diminutum var. foliolatum (Klokov) Serg.
= Polemonium foliolatum Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 284 (1955)
= Polemonium lofoticum (Brand) Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 280 (1955)
= Polemonium racemosum (Regel) Kitam.; Acta Phytotax. Geobot. 10: 180 (1941)
= Polemonium villosum f. glabrum (S.D.Zhao) S.Z.Liu; Clav. Pl. Chin. Bor.-Or., ed. 2 (ed. P. Y. Fu) 538 (1995), isonym
= Polemonium villosum f. glabrum (S.D.Zhao) Y.C.Zhu; Pl. Medic. Chinae Bor.-orient. 936 (1989)
= Polemonium villosum var. glabrum S.D.Zhao; Fl. Pl. Herb. Chin. Bor.-Or. 7: 256 (1787)
species :
Polemonium viscosum Nutt.; J. Acad. Nat. Sci. Philadelphia, Ser. 2, 1: 154 (1847)
Name: Sticky polemonium
Distribution: Canada (Alberta, British Columbia); USA (Arizona, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington State, Wyoming)
71 CDN 73 USA 76 USA 77 USA
Synonyms: hidden
= Polemonium confertum A.Gray; Proc. Acad. Nat. Sci. Philadelphia 15(2): 73 (1863 publ. 1864)
= Polemonium confertum var. elatius Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 44 (1907)
= Polemonium grayanum Rydb.; Bull. Torrey Bot. Club 31: 635 (1905)
= Polemonium lemmonii Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 44 (1907)
= Polemonium viscosum f. leucanthum L.O.Williams; Leafl. W. Bot. 1: 131 (1934)
= Polemonium viscosum subsp. lemmonii (Brand) Wherry; Amer. Midl. Naturalist 27: 748 (1942)
= Polemonium viscosum var. grayanum (Rydb.) Brand; Pflanzenr. [Engler] IV.250, Heft 27 (Polemon.): 44 (1907)
species :
Polemonium ×speciosum Rydb.; Bull. Torrey Bot. Club 28: 29 (1901)
Distribution: USA (Colorado)
73 USA
Remarks: P. pulcherrimum x P. viscosum
Synonyms: hidden
= Polemonium mellitum var. speciosum (Rydb.) A.Nelson; New Man. Bot. Centr. Rocky Mt., ed. 2: 405 (1909)
species :
Polemonium ×victoris Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 300 (1955)
Distribution: N-European Russia (Vajgac Isl.)
14 RUS
Remarks: P. boreale x P. villosum
Synonyms: hidden
= Polemonium ×vajgaczense Klokov; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 303 (1955)
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.04 (April 17th, 2025)

Covering 356,375 accepted species,
8,782 hybrids, 48,090 accepted infraspecific taxa and 1,002,897 synonyms,
in total 1,416,144* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

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With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life