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452.0000 Family Asteraceae Dumort.; Commentat. Bot. [Dumortier] 55 (1822)
1620 genera, ca. 29.000 spp. (35.000 spp. incl. microspecies). Systematics taken mostly from Funk et al. (2009, 2020) and Zuntini et al. (2024). Barnadesioideae (so far treated as most basal member of Asteraceae) might be a separate family, more related to Calyceraceae.
Species listed in database: 35255; hybrids: 678
= Acarnaceae Link; (1829)
= Ambrosiaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820), nom. cons.
= Anthemidaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Aposeridaceae Raf.; New Fl. [Rafinesque] 4: 106 (1838)
= Arctotaceae Bessey; Univ. Stud. Nebraska 14: 107 (1914)
= Arctotidaceae Bercht. & J.Presl; PrĂ­r. Rostlin 255 (1820)
= Artemisiaceae Martinov; Tekhno-Bot. Slovar 48 (1820)
= Athanasiaceae Martinov; Tekhno-Bot. Slovar 56 (1820)
= Calendulaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Carduaceae Bercht. & J.Presl; PrĂ­r. Rostlin 255 (1820)
= Carlinaceae Bercht. & J.Presl; PrĂ­r. Rostlin 255 (1820)
= Centaureaceae Bercht. & J.Presl; PrĂ­r. Rostlin 255 (1820)
= Cichoriaceae Juss.; Gen. Pl. [Jussieu] 168 (1789), nom. cons.
= Cnicaceae Vest; Anleit. Stud. Bot. 273, 297 (1818)
= Compositae Giseke; Prael. Ord. Nat. Pl. 538 (1792), nom. cons.
= Coreopsidaceae Link; Handbuch [Link] 1: 768 (1829)
= Cynaraceae Burnett; Outlines Bot. [Burnett] 926, 931, 1094, 1111 (1835)
= Echinopaceae Bercht. & J.Presl; PrĂ­r. Rostlin 255 (1820)
= Eupatoriaceae Bercht. & J.Presl; PrĂ­r. Rostlin 253 (1820)
= Gnaphaliaceae Link ex F.Rudolphi; Syst. Orb. Veg. 46 (1830)
= Grindeliaceae Rchb. ex A.Heller; Muhlenbergia 2: 330 (1907)
= Heleniaceae Raf.; Cincinnati Lit. Gaz. 2: 28 (1824)
= Helianthaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Helichrysaceae Link; Handbuch [Link] 1: 712 (1829)
= Inulaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Ivaceae Raf.; Fl. Tellur. 1: 31 (1837)
= Lactucaceae Drude; Handb. Bot. 3(2): 369 (1886)
= Lapsanaceae Martinov; (1820)
= Madiaceae A.Heller; Muhlenbergia 2: 332 (1907)
= Matricariaceae Voigt; Hort. Suburb. Calcutt. 400 (1845)
= Mutisiaceae Burnett; Outlines Bot. [Burnett] 934, 935, 1094, 1111 (1835)
= Nassauviaceae Burmeist.; Handb. Naturgesch. 290 (1836)
= Partheniaceae Link; Handbuch [Link] 1: 816 (1829)
= Perdiciaceae Link; Handbuch [Link] 1: 728 (1829)
= Picridaceae Martinov; Tekhno-Bot. Slovar 482 (1820)
= Santolinaceae Martinov; Tekhno-Bot. Slovar 560 (1820)
= Senecionaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Serratulaceae Martinov; Tekhno-Bot. Slovar 577 (1820)
= Tanacetaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Tussilagaceae Bercht. & J.Presl; PrĂ­r. Rostlin 254 (1820)
= Vernoniaceae Burmeist.; Handb. Naturgesch. 296 (1836)
= Xanthiaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Xeranthemaceae Döll; Rhein. Fl. [Döll] 498 (1843)
452.5261 Genus Agoseris Raf.; Fl. Ludov. 58 (1817)
Distribution: W-N-America (9), S-South America (2)
Species listed in database: 12
= Ammogeton Schrad.; Index Sem. (Göttingen) 1833: 1 (1833)
= Cryptopleura Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 431 (1841)
= Kymapleura (Nutt.) Nutt.; Trans. Amer. Philos. Soc., n. s. 7: errata (1841)
= Macrorhynchus Less.; Syn. Gen. Compos. 139 (1832)
= Stylopappus Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 431 (1841)
= Trochoseris Poepp. & Endl.; Gen. Pl. [Endlicher] 500 (1838), nom. superfl.
= Troximon Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 433 (1841), nom. illeg.
species :
Agoseris apargioides (Less.) Greene; Pittonia 2: 177 (1891)
Name: Seaside agoseris, Woolly goat chicory
Distribution: USA (California: San Francisco southward to Point Sur)
76 USA
Synonyms: hidden
= Agoseris apargiodes (Less.) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris humilis (Benth.) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Barkhausia lessingii Hook. & Arn.; Bot. Beechey Voy. 145 (1833)
= Barkhausia sprengelii Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 187 (1841)
= Macrorhynchus harfordii Kellogg; Proc. Calif. Acad. Sci. 5: 47 (1873)
= Macrorhynchus humilis (A.Gray) Benth.; Pl. Hartw. [Bentham] 320 (1849)
= Macrorhynchus lessingii Hook. & Arn.; Bot. Beechey Voy. 145 (1833)
= Stylopappus lessingii (Hook. & Arn.) D.Dietr.; Syn. Pl. [Dietrich] 4: 1322 (1847)
= Troximon apargioides Less.; Linnaea 6: 501 (1831)
= Troximon humile A.Gray; Proc. Amer. Acad. Arts 19: 72 (1883)
variant :
var. eastwoodiae (Fedde) Munz; Aliso 4: 100 (1958)
Name: Point Reyes agoseris
Distribution: USA (California, Oregon, Washington State)
73 USA 76 USA
Synonyms: hidden
= Agoseris eastwoodiae Fedde; Just´s Bot. Jahresber. 31(1): 808 (1904), not E. Sheld. 1903
variant :
var. maritima (E.Sheld.) Cronquist; Vasc. Pl. Pacif. N. W. [C.L. Hitchcock et al.] 5: 24 (1955)
Name: Oregon agoseris
Distribution: USA (California, Oregon, Washington)
73 USA 76 USA
Synonyms: hidden
= Agoseris apargioides subsp. maritima (E.Sheld.) Q.Jones; Vasc. Pl. Pacif. N. W. [C.L. Hitchcock et al.] 5: 24 (1955)
= Agoseris apargioides var. maritima (E.Sheld.) G.I.Baird; Sida 21: 716 (2004), isonym
= Agoseris maritima E.Sheld.; Bull. Torrey Bot. Club 30: 310 (1903)
species :
Agoseris aurantiaca (Hook.) Greene; Pittonia 2: 177 (1891)
Name: Orange or mountain agoseris
Distribution: Alaska; Canada (Alberta, British Columbia, Northern Territories, Québec, Yukon); USA (California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington State, Wyoming)
70 ASK CDN 71 CDN 72 CDN 73 USA 74 USA 76 USA 77 USA
Synonyms: hidden
= Agoseris angustissima Greene; Leafl. Bot. Observ. Crit. 2: 129 (1911)
= Agoseris arachnoidea Rydb.; Bull. Torrey Bot. Club 28: 511 (1901)
= Agoseris gaspensis Fernald; Rhodora 26: 125 (1924)
= Agoseris gracilens (A.Gray) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris gracilens var. greenei (A.Gray) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1007 (1925)
= Agoseris gracilens var. greenei (A.Gray) S.F.Blake; Contr. U.S. Natl. Herb. 25: 629 (1925)
= Agoseris gracilenta Greene; Pittonia 2: 177 (1891), nom. superfl.
= Agoseris gracilenta var. greenei (A.Gray) Greene; Pittonia 2: 177 (1891)
= Agoseris greenei (A.Gray) Rydb.; Mem. New York Bot. Gard. 1: 459 (1900)
= Agoseris howellii Greene; Leafl. Bot. Observ. Crit. 2: 131 (1911)
= Agoseris nana Rydb.; Fl. Rocky Mts. 1032 (1917)
= Agoseris naskapensis J.Rousseau & Raymond; Naturaliste Canad. 78: 355, fig. 1, 2 (1952)
= Agoseris prionophylla Greene; Leafl. Bot. Observ. Crit. 2: 131 (1911)
= Agoseris roseata Rydb.; Bull. Torrey Bot. Club 32: 136 (1905)
= Agoseris subalpina G.N.Jones; Univ. Wash. Publ. Biol. 5: 262 (1936)
= Agoseris vulcanica Greene; Leafl. Bot. Observ. Crit. 2: 129 (1911)
= Macrorhynchus aurantiacus Fisch. & C.A.Mey.; Index Sem. (St. Petersburg [Petropolitanus]) 3: 40 (1837)
= Macrorhynchus troximoides Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 491 (1843)
= Stylopappus pumilus D.Dietr.; Syn. Pl. [Dietrich] 4: 1322 (1847)
= Troximon arachnoideum A.Nelson; New Man. Bot. Centr. Rocky Mt. 599 (1909)
= Troximon aurantiacum Hook.; Fl. Bor.-Amer. [Hooker] 1: 300, t. 104 (1833)
= Troximon gracilens A.Gray; Proc. Amer. Acad. Arts 19: 71 (1883)
= Troximon gracilens var. greenei A.Gray; Proc. Amer. Acad. Arts 19: 71 (1883)
variant :
var. carnea (Rydb.) Lesica; J. Bot. Res. Inst. Texas 6(1): 25 (2012)
Name: Pink agoseris
Distribution: Canada (British Columbia, Alberta); USA (Montana, Idaho, Washington State)
71 CDN 73 USA
Synonyms: hidden
= Agoseris carnea Rydb.; Mem. New York Bot. Gard. 1: 458 (1900)
= Agoseris lackschewitzii D.M.Hend. & R.K.Moseley; Syst. Bot. 15(3): 462 (1990)
variant :
var. purpurea (A.Gray) Cronquist; Rhodora 50: 33 (1948)
Name: Colorado Plateau agoseris
Distribution: USA (Arizona, Colorado, Montana, New Mexico, Nevada, Utah, Wyoming)
73 USA 76 USA 77 USA
Synonyms: hidden
= Agoseris arizonica (Greene) Greene; Pittonia 2: 176 (1891)
= Agoseris attenuata Rydb.; Bull. Torrey Bot. Club 32: 136 (1905)
= Agoseris aurantiaca subsp. purpurea (A.Gray) G.W.Douglas; Canad. J. Bot. 64(11): 2726 (1986)
= Agoseris confinis Greene; Leafl. Bot. Observ. Crit. 2: 124 (1911)
= Agoseris frondifera Osterh.; Bull. Torrey Bot. Club 46: 56 (1919)
= Agoseris glauca var. cronquistii S.L.Welsh; Rhodora 95(883-884): 393 (1993)
= Agoseris graminifolia Greene; Bull. Torrey Bot. Club 124 (1898)
= Agoseris longirostris Greene; Leafl. Bot. Observ. Crit. 2: 125 (1911)
= Agoseris montana Osterh.; Bull. Torrey Bot. Club 27: 507 (1900)
= Agoseris purpurea (A.Gray) Greene; Pittonia 2: 177 (1891)
= Agoseris purpurea var. arizonica (Greene) G.L.Wittr.; Publ. Puget Sound Biol. Sta. 6: 253 (1928)
= Agoseris rostrata Rydb.; Bull. Torrey Bot. Club 137 (1905)
= Macrorhynchus purpureus A.Gray; Mem. Amer. Acad. Arts, n. s. 4: 114 (1849)
= Troximon arizonicum Greene; Pittonia 2: 78 (1890)
= Troximon aurantiacum var. purpureum (A.Gray) A.Gray; Proc. Amer. Acad. Arts 19: 72 (1883)
= Troximon montanum (Osterh.) A.Nelson; New Man. Bot. Centr. Rocky Mt. 600 (1909)
= Troximon purpureum (A.Gray) A.Nelson; New Man. Bot. Centr. Rocky Mt. 599 (1909), isonym
= Troximon purpureum (A.Gray) Greene; Pittonia 2: 76 (1890)
species :
Agoseris chilensis (Less.) Greene; Pittonia 2: 178 (1891)
Name: Yesquilla [Chile]
Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins)
85 CLE
Synonyms: hidden
= Macrorhynchus chilensis Less.; Syn. Gen. Compos. 139 (1832)
= Macrorhynchus laevigatus Fisch. & C.A.Mey.; Index Sem. (St. Petersburg [Petropolitanus]) 2: 41 (1835)
= Troximon chilense (Less.) A.Gray; Proc. Amer. Acad. Arts 9: 216 (1876)
species :
Agoseris coronopifolia (d´Urv.) K.L.Chambers; Vasc. Fl. Falkland Isl. 137 (1968)
Distribution: Argentina (Chubut, Mendoza, Neuquén, Rio Negro, Santa Cruz, Tierra del Fuego); Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, Ñuble, Araucanía, Los Rios, Los Lagos, Aisén, Magallanes); Falkland Isl.
85 ARG CLE 91 FAL
Synonyms: hidden
= Agoseris australis (Phil.) Macloskie; Rep. Princeton Univ. Exped. Patagonia, Botany 8: 902 (1906)
= Agoseris poeppigii (DC.) Greene; Pittonia 2: 178 (1891)
= Agoseris pterocarpa (Fisch. & C.A.Mey.) Macloskie; Rep. Princeton Univ. Exped. Patagonia, Botany 8: 903 (1906)
= Barkhausia scapigera Kunze ex DC.; Prodr. [A.P. de Candolle] 7(1): 152 (1838)
= Crepis poeppigii Sch.Bip.; Flora 38: 122 (1855)
= Hypochaeris poeppigii P Dusen; Rep. Princeton Univ. Exped. Patagonia, Botany 8: 31 (1906)
= Ixeris monocephala Cass.; Dict. Sci. Nat. [F.Cuvier], Ă©d. 2, 39: 389 (1826)
= Macrorhynchus australis Phil.; Anales Univ. Chile 482 (1873)
= Macrorhynchus coronopifolius (d´Urv.) Hook.f.; Bot. Antarct. Voy. I. (Fl. Antarct.) 2: t. 112 (1846)
= Macrorhynchus elatus Phil.; Anales Univ. Chile 87: 324 (1894) non Torr. & A. Gray 1843
= Macrorhynchus poeppigii DC.; Prodr. [A.P. de Candolle] 7: 152 (1838)
= Macrorhynchus pterocarpus Fisch. & C.A.Mey.; Index Sem. (St. Petersburg [Petropolitanus]) 2: 41 (1836)
= Macrorhynchus pumilus (Gaudich.) DC.; Prodr. [A.P. de Candolle] 7: 152 (1838)
= Taraxacum caulescens Moris; Mem. Reale Accad. Sci. Torino 37: 108 (1834)
= Taraxacum coronopifolium d´Urv.; Mém. Soc. Linn. Paris 4: 609 (1826)
= Taraxacum pumilum Gaudich.; Ann. Sci. Nat. (Paris) 5: 103 (1825)
= Trichoseris alpina Poepp. & Endl.; Nov. Gen. Sp. [H.B.K.] 3: 56, t. 263 (1842)
= Troximon australe (Phil.) Dusén; Rep. Princeton Univ. Exped. Patagonia, Botany 8(Suppl.): 295 (1915)
= Troximon coronopifolius (d´Urv.) Cabrera; Revista Mus. La Plata, Secc. Bot. 2: 374 (1939)
= Troximon poeppigii (DC.) De Wild.; Result. Voy. Belgica, Champ. 182 (1905)
= Troximon pterocarpum (Fisch. & C.A.Mey.) O.Hoffm.; Wiss. Ergebn. Schwed. Exped. Magellansl. 1895-1897 3(5): 122 (1900)
= Troximon pumilum De Wild.; Phan. Terr. Magell. 182 (1905), nom. illeg.
= Troximon pumilum Reiche; Fl. Chile [Reiche] 5: 45 (1910)
species :
Agoseris elata (Nutt.) Greene; Pittonia 2: 177 (1891), pro hybr.
Name: Willamette agoseris
Distribution: USA (California, Oregon, Washington)
73 USA 76 USA
Synonyms: hidden
= Agoseris grandiflora var. laciniata (Nutt.) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1006 (1925)
= Agoseris laciniata (Nutt.) Greene; Pittonia 2: 178 (1891)
= Agoseris obtusifolia (Suksd.) Rydb.; Bull. Torrey Bot. Club 38: 20 (1911)
= Agoseris tenuifolia Rydb.; Bull. Torrey Bot. Club 38: 20 (-21) (1911)
= Macrorhynchus elatus Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 492 (1843)
= Macrorhynchus laciniatus (Nutt.) Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 492 (1843)
= Macrorhynchus laciniatus var. longifolius (Nutt.) Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 492 (1843)
= Stylopappus elatus Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 433 (1840)
= Stylopappus laciniatus Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 422 (1840)
= Stylopappus laciniatus var. longifolius Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 432 (1841)
= Troximon elatum (Nutt.) A.Nelson; New Man. Bot. Centr. Rocky Mt. 599 (1909)
= Troximon grandiflorum var. laciniatum (Nutt.) A.Gray; Bot. California [W.H.Brewer] 1: 438 (1876)
= Troximon grandiflorum var. obtusifolium Suksd.; Deutsche Bot. Monatsschr. 18: 98 (1900)
= Troximon grandiflorum var. tenuifolium A.Gray; Proc. Amer. Acad. Arts 9: 216 (1874)
= Troximon laciniatum (Nutt.) A.Gray; Proc. Amer. Acad. Arts 19: 72 (1883)
= Troximon nuttallii A.Gray; Proc. Amer. Acad. Arts 9: 216 (1876)
species :
Agoseris glauca (Nutt. ex Pursh) Raf.; Herb. Raf. 39 (1833)
Name: Prairie agoseris
Distribution: Canada (Alberta, British Columbia, Manitoba, Ontario, Saskatchewan); USA (Arizona, California, Colorado, Idaho, Michigan, Minnesota, Montana, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming)
71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA
Synonyms: hidden
= Agoseris agrestis Osterh.; Bull. Torrey Bot. Club 28: 645 (1901)
= Agoseris apiculata Greene; Repert. Spec. Nov. Regni Veg. 13: 324 (1914)
= Agoseris dasycarpa Greene; Pittonia 3: 26 (1896)
= Agoseris glauca var. agrestis (Osterh.) Q.Jones ex Cronquist; Vasc. Pl. Pacif. N. W. [C.L. Hitchcock et al.] 5: 26 (1955)
= Agoseris glauca var. integerrima Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris lacera Greene; Leafl. Bot. Observ. Crit. 2: 126 (1911)
= Agoseris lapathifolia Greene; Leafl. Bot. Observ. Crit. 2: 126 (1911)
= Agoseris longissima Greene; Leafl. Bot. Observ. Crit. 2: 122 (1911)
= Agoseris longula Greene; Leafl. Bot. Observ. Crit. 2(3): 125 (1911)
= Agoseris microdonta Greene; Leafl. Bot. Observ. Crit. 2: 127 (1911)
= Agoseris procera Greene; Leafl. Bot. Observ. Crit. 2: 127 (1911)
= Agoseris scorzonerifolia var. aspera S.F.Blake; Contr. U.S. Natl. Herb. 25: 629, 630 (1925)
= Agoseris vicinalis Greene; Leafl. Bot. Observ. Crit. 2: 122 (1911)
= Macrorhynchus cynthioides Hook.; London J. Bot. 6: 256 (1847)
= Macrorhynchus glaucus (Nutt. ex Pursh) D.C.Eaton; Botany (Fortieth Parallel) 204 (1871)
= Tragopogon glaucus (Nutt. ex Pursh) Steud.; Nomencl. Bot. [Steudel], ed. 1, 1: 843 (1821)
= Troximon glaucum f. alpestre Cockerell; Bull. Torrey Bot. Club 18: 171 (1891)
= Troximon glaucum Nutt.; Cat. Pl. Upper Louisiana [Fraser] no. 84 (1813), nomen
= Troximon glaucum Pursh; Fl. Amer. Sept. [Pursh] 2: 505 (1813)
= Troximon glaucum var. asperum Piper; Mazama 2: 96 (1901)
= Troximon glaucum var. pumilum A.Nelson; New Man. Bot. Centr. Rocky Mt. 599 (1909)
= Troximon pubescens A.Nelson; New Man. Bot. Centr. Rocky Mt. 598 (1909)
= Troximon taraxacifolium Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 434 (1840)
= Troximon villosum A.Nelson; New Man. Bot. Centr. Rocky Mt. 598 (1909)
variant :
var. dasycephala (Torr. & A.Gray) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1005 (1925)
Name: Arctic agoseris
Distribution: Canada (Alberta, British Columbia, Manitoba, N. W. T., Saskatchewan, Yukon); USA (Colorado, Idaho, Montana, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming)
70 CDN 71 CDN 73 USA 74 USA 76 USA
Synonyms: hidden
= Agoseris altissima Rydb.; Mem. New York Bot. Gard. 1: 458 (1900)
= Agoseris aspera (Rydb.) Rydb.; Fl. Rocky Mts. 1030 (1917)
= Agoseris eisenhoweri B.Boivin; Naturaliste Canad. 75: 208 (1948)
= Agoseris glauca subsp. aspera (Rydb.) Piper; Contr. U.S. Natl. Herb. 11: 542 (1906)
= Agoseris glauca subsp. scorzonerifolia (Schrad.) Piper; Contr. U.S. Natl. Herb. 11: 542 (1906)
= Agoseris glauca var. aspera (Rydb.) Cronquist; Leafl. W. Bot. 6: 41 (1950)
= Agoseris glauca var. pumila (Nutt.) Garrett; Spring Fl. Wasatch (ed. 1) 96 (1911)
= Agoseris glauca var. villosa (Rydb.) G.L.Wittr.; Publ. Puget Sound Biol. Sta. 6: 253 (1928)
= Agoseris isomeris Greene; Leafl. Bot. Observ. Crit. 2: 123 (1911)
= Agoseris lanulosa Greene; Leafl. Bot. Observ. Crit. 2: 128 (1911)
= Agoseris leontodon var. aspera Rydb.; Mem. New York Bot. Gard. 1: 457 (1900)
= Agoseris leontodon var. pygmaea Rydb.; Mem. New York Bot. Gard. 1: 458 (1900)
= Agoseris maculata Rydb.; Bull. Torrey Bot. Club 32: 136 (1905)
= Agoseris pubescens Rydb.; Bull. Torrey Bot. Club 28: 511 (1901)
= Agoseris pumila (Nutt.) Rydb.; Mem. New York Bot. Gard. 1: 457 (1900)
= Agoseris scorzonerifolia (Schrad.) Greene; Pittonia 2: 177 (1891)
= Agoseris turbinata Rydb.; Bull. Torrey Bot. Club 38: 20 (1911)
= Agoseris vestita Greene; Leafl. Bot. Observ. Crit. 2(3): 128 (1911)
= Agoseris villosa Rydb.; Mem. New York Bot. Gard. 1: 458 (1900)
= Ammogeton scorzonerifolius Schrad.; Index Sem. (Göttingen) (1833) 1
= Troximon glaucum var. dasycephalum Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 490 (1843)
= Troximon pumilum Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 434 (1840)
species :
Agoseris grandiflora (Nutt.) Greene; Pittonia 2: 178 (1891)
Name: Grassland agoseris
Distribution: USA (California, Idaho, Montana, Nevada, Oregon, Utah, Washington)
73 USA 76 USA
Synonyms: hidden
= Agoseris cinerea Greene; Leafl. Bot. Observ. Crit. 2: 132 (1911)
= Agoseris grandiflora var. intermedia (Greene) Jeps.; Fl. W. Calif. [Jepson] 500 (1901)
= Agoseris grandiflora var. plebeia (Greene) G.L.Wittr.; Publ. Puget Sound Biol. Sta. 6: 253 (1928)
= Agoseris intermedia Greene; Erythea 1: 175 (1893)
= Agoseris marshallii (Greene) Greene; Pittonia 2: 178 (1891)
= Agoseris marshallii (Greene) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris plebeia (Greene) Greene; Pittonia 2: 178 (1891)
= Macrorhynchus grandiflorus (Nutt.) Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 492 (1843)
= Stylopappus grandiflorus Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 422 (1840)
= Troximon grandiflorum (Nutt.) A.Gray; Proc. Amer. Acad. Arts 9: 216 (1876)
= Troximon marshallii Greene; Pittonia 1: 174 (1888)
= Troximon plebeium Greene; Pittonia 2: 79 (1890)
variant :
var. leptophylla G.I.Baird; Sida 21: 267 (2004)
Name: Puget Sound agoseris
Distribution: Canada (British Columbia); USA (California, Idaho, Oregon, Washington)
71 CDN 73 USA 76 USA
species :
Agoseris heterophylla (Nutt.) Greene; Pittonia 2: 178 (1891)
Name: Annual agoseris
Distribution: Sweden [I]; Canada (British Columbia); USA (Arizona, California, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington); Mexico (Baja California Norte, Sonora); +Isla Guadalupe
10 swe 71 CDN 73 USA 76 USA 77 USA 79 GLP MEX
Synonyms: hidden
= Agoseris greeneana Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris heterophylla subsp. glabrata (Suksd.) Piper; Contr. U.S. Natl. Herb. 11: 544 (1906)
= Agoseris heterophylla var. crenulata (H.M.Hall) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1007 (1925)
= Agoseris heterophylla var. glabra (Nutt.) Howell; Fl. N.W. Amer. [Howell] 1: 402 (1901)
= Agoseris heterophylla var. kymapleura Greene; Pittonia 2: 179 (1891)
= Agoseris heterophylla var. turgida (H.M.Hall) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1007 (1925)
= Kymapleura heterophylla (Nutt.) Nutt.; Fl. N. Amer. [Torrey & A.Gray] 2: 493 (1843)
= Macrorhynchus heterophyllus Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 430 (1840)
= Troximon heterophyllum (Nutt.) Greene; Bull. Torrey Bot. Club 10: 88 (1883)
= Troximon heterophyllum f. crenulatum H.M.Hall; Univ. Calif. Publ. Bot. 3: 279 (1907)
= Troximon heterophyllum f. idiale H.M.Hall; Univ. Calif. Publ. Bot. 3: 278 (1907)
= Troximon heterophyllum f. kymapleurum H.M.Hall; Univ. Calif. Publ. Bot. 3: 278 (1907)
= Troximon heterophyllum f. turgidum H.M.Hall; Univ. Calif. Publ. Bot. 3: 279 (1907)
= Troximon heterophyllum var. californicum H.M.Hall; Univ. Calif. Publ. Bot. 3: 278 (1907)
= Troximon heterophyllum var. cryptopleuroides Suksd.; Deutsche Bot. Monatsschr. 18: 98 (1900)
= Troximon heterophyllum var. glabratum Suksd.; Deutsche Bot. Monatsschr. 18: 98 (1900)
= Troximon heterophyllum var. kymapleura Greene; Bull. Torrey Bot. Club 10: 88 (1883)
variant :
var. cryptopleura Greene; Pittonia 2: 179 (1891)
Name: California agoseris
Distribution: USA (California)
76 USA
Synonyms: hidden
= Agoseris californica (Nutt.) Hoover; Vasc. Pl. San Luis Obispo Co. 317 (1970)
= Agoseris heterophylla subsp. californica (Nutt.) Piper; Contr. U.S. Natl. Herb. 11: 544 (1906)
= Agoseris heterophylla var. californica (Nutt.) Davidson, Moxley & Jeps.; Man. Fl. Pl. Calif. [Jepson] 1007 (1925)
= Agoseris major Jeps.; Pittonia 2: 179 (1891), et Fl. W. Calif. [Jepson], ed. 2: 417 (1911)
= Cryptopleura californica Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 431 (1841)
= Macrorhynchus californicus (Nutt.) Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 492 (1843)
= Troximon heterophyllum f. cryptopleurum (Greene) H.M.Hall; Univ. Calif. Publ. Bot. 3: 278 (1907)
= Troximon heterophyllum var. cryptopleura Greene; Bull. Torrey Bot. Club 10: 88 (1883)
variant :
var. quentinii G.I.Baird; Sida 21: 271 (2004)
Name: Arizona agoseris
Distribution: USA (Arizona, New Mexico)
76 USA 77 USA
species :
Agoseris hirsuta (Hook.) Greene; Pittonia 2: 177 (1891)
Name: Coast Range agoseris
Distribution: USA (California)
76 USA
Synonyms: hidden
= Leontodon hirsutus Hook.; Fl. Bor.-Amer. [Hooker] 1: 296 (1833)
= Taraxacum hirsutum (Hook.) Torr. & A.Gray
species :
Agoseris monticola Greene; Pittonia 4: 37 (1899)
Name: Sierra Nevada agoseris
Distribution: USA (California, Nevada, Oregon, Washington)
73 USA 76 USA
Synonyms: hidden
= Agoseris covillei Greene; Leafl. Bot. Observ. Crit. 2: 130 (1911)
= Agoseris decumbens Greene; Leafl. Bot. Observ. Crit. 2(3): 130 (1911)
= Agoseris glauca var. monticola (Greene) Q.Jones; Univ. Wash. Publ. Biol. 17: 26 (1955)
species :
Agoseris parviflora (Nutt.) D.Dietr.; Syn. Pl. [Dietrich] 4: 1332 (1847)
Name: Steppe agoseris
Distribution: USA (Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Wyoming)
73 USA 74 USA 76 USA 77 USA
Synonyms: hidden
= Agoseris caudata Greene; Leafl. Bot. Observ. Crit. 2: 124 (1911)
= Agoseris dens-leonis Greene; Erythea 3: 23 (1895)
= Agoseris glauca var. laciniata (D.C.Eaton) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Agoseris glauca var. laciniata (D.C.Eaton) Smiley; Univ. Calif. Publ. Bot. 9: 404 (1921)
= Agoseris glauca var. parviflora (Nutt.) Rydb.; Contr. U.S. Natl. Herb. 3: 511 (1896)
= Agoseris leontodon Rydb.; Mem. New York Bot. Gard. 1: 457 (1900)
= Agoseris leptocarpa Osterh.; Muhlenbergia 1: 143 (1906)
= Agoseris parviflora (Nutt.) Greene; Pittonia 2: 176 (1891)
= Agoseris rosea (Nutt.) D.Dietr.; Syn. Pl. [Dietrich] 4: 1332 (1847)
= Agoseris rosea (Nutt.) Greene; Pittonia 2: 176 (1891)
= Agoseris taraxacoides Greene; Leafl. Bot. Observ. Crit. 2: 123 (1911)
= Agoseris tomentosa Howell; Fl. N.W. Amer. [Howell] 1: 401 (1901)
= Macrorhynchus glaucus var. laciniatus D.C.Eaton; Botany (Fortieth Parallel): 204 (1871)
= Troximon glaucum var. parviflorum (Nutt.) A.Gray; Proc. Amer. Acad. Arts 19: 71 (1883)
= Troximon parviflorum Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 434 (1840)
= Troximon roseum Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 434 (1840)
species :
Agoseris retrorsa (Benth.) Greene; Pittonia 2: 178 (1891)
Name: Spearleaf agoseris
Distribution: USA (Arizona, California, Nevada, Oregon, Utah, Washington); Mexico (Baja California Norte)
73 USA 76 USA 79 MEX
Synonyms: hidden
= Agoseris retrorsa (Benth.) Kuntze; Revis. Gen. Pl. 1: 304 (1891)
= Macrorhynchus angustifolius Kellogg; Proc. Calif. Acad. Sci. 5: 47 (1873)
= Macrorhynchus retrorsus Benth.; Pl. Hartw. [Bentham] 320 (1849)
= Troximon retrorsum (Benth.) A.Gray; Proc. Amer. Acad. Arts 9: 216 (1876)
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.05 (May 23rd, 2025)

Covering 356,547 accepted species,
8,782 hybrids, 48,090 accepted infraspecific taxa and 1,003,107 synonyms,
in total 1,416,616* 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

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life