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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: 35383; hybrids: 684
= Acarnaceae Link; (1829)
= Ambrosiaceae Bercht. & J.Presl; Přir. Rostlin 254 (1820), nom. cons.
= Anthemidaceae Bercht. & J.Presl; Přir. Rostlin 254 (1820)
= Aposeridaceae Raf.; New Fl. [Rafinesque] 4: 106 (1838)
= Arctotaceae Bessey; Univ. Stud. Nebraska 14: 107 (1914)
= Arctotidaceae Bercht. & J.Presl; Přir. Rostlin 255 (1820)
= Artemisiaceae Martinov; Tekhno-Bot. Slovar 48 (1820)
= Athanasiaceae Martinov; Tekhno-Bot. Slovar 56 (1820)
= Calendulaceae Bercht. & J.Presl; Přir. Rostlin 254 (1820)
= Carduaceae Bercht. & J.Presl; Přir. Rostlin 255 (1820)
= Carlinaceae Bercht. & J.Presl; Přir. Rostlin 255 (1820)
= Centaureaceae Bercht. & J.Presl; Přir. 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; Přir. Rostlin 255 (1820)
= Eupatoriaceae Bercht. & J.Presl; Přir. 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; Přir. Rostlin 254 (1820)
= Helichrysaceae Link; Handbuch [Link] 1: 712 (1829)
= Inulaceae Bercht. & J.Presl; Přir. 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; Přir. Rostlin 254 (1820)
= Serratulaceae Martinov; Tekhno-Bot. Slovar 577 (1820)
= Tanacetaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Tussilagaceae Bercht. & J.Presl; Přir. Rostlin 254 (1820)
= Vernoniaceae Burmeist.; Handb. Naturgesch. 296 (1836)
= Xanthiaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Xeranthemaceae Döll; Rhein. Fl. [Döll] 498 (1843)
452.9240 Genus Thelesperma Less.; Linnaea 6: 511 (1831)
Distribution: W-North America (9), Mexico, South America
Species listed in database: 13
= Cosmidium Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 361 (1841)
species :
Thelesperma ambiguum A.Gray; Proc. Amer. Acad. Arts 19: 16 (1883)
Distribution: USA (New Mexico, Texas); Mexico (Nuevo Leon, Tamaulipas)
77 USA 79 MEX
Synonyms: hidden
= Thelesperma fraternum Shinners; Field & Lab. 18: 21 (1950)
= Thelesperma megapotamicum var. ambiguum (A.Gray) Shinners; Field & Lab. 18: 23 (1950)
species :
Thelesperma burridgeanum (Regel) S.F.Blake; Proc. Biol. Soc. Washington 41: 146 (1928)
Distribution: USA (Texas); Mexico (Coahuila)
77 USA 79 MEX
Synonyms: hidden
= Cosmidium ×burridgeanum Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1857: 40 (1857)
= Thelesperma hybridum Voss; Vilm. Blumengärtn. ed. 3 [Siebert & Voss], 1: 484 (1894)
species :
Thelesperma filifolium (Hook.) A.Gray; Hooker´s J. Bot. Kew Gard. Misc. 1: 252 (1849)
Distribution: USA (Arkansas, Colorado, Kansas, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming); Mexico (Coahuila, Nuevo Leon, Queretaro, San Luis Potosi)
73 USA 74 USA 75 USA 77 USA 78 USA 79 MEX
Synonyms: hidden
= Coreopsis filifolia Hook.; Bot. Mag. t. 3505 (1836)
= Coreopsis trifida Poir.; Encycl. [J.Lamarck et al.], Suppl. 2. 353 (1811)
= Cosmidium filifolium (Hook.) Nutt.; Trans. Amer. Philos. Soc. 7: 362 (1841)
= Thelesperma filifolium var. intermedium (Rydb.) Shinners; Sida 2: 348 (1966)
= Thelesperma intermedium Rydb.; Man. Fl. N. States [Britton] 1004 (1901)
= Thelesperma intermedium var. rubrodiscum Shinners; Field & Lab. 18: 19 (1950)
= Thelesperma trifidum (Poir.) Britton; Trans. New York Acad. Sci. 9: 182 (1890)
species :
Thelesperma flavodiscum (Shinners) B.L.Turner; Rhodora 61: 245 (1959)
Distribution: USA (Texas)
77 USA
Synonyms: hidden
= Thelesperma filifolium var. flavodiscum Shinners; Field & Lab. 18: 98 (1950)
species :
Thelesperma graminiformis (Sherff) Melchert; Phytologia 69(3): 219 (1990)
Distribution: Mexico (Nuevo Leon, Tamaulipas)
79 MEX
Synonyms: hidden
= Bidens muelleri var. graminiformis Sherff; Brittonia 14: 173 (1962)
species :
Thelesperma longipes A.Gray; Smithsonian Contr. Knowl. 3(5) (Pl. Wright. 1): 109 (1852)
Distribution: USA (Arizona, New Mexico, Texas); Mexico (Aguascalientes, Chihuahua, Coahuila, Durango, Nuevo Leon, San Luis Potosi, Sonora, Tamaulipas, Zacatecas)
76 USA 77 USA 79 MEX
species :
Thelesperma megapotamicum (Spreng.) Herter; Revista Sudamer. Bot. 7: 235 (1943)
Distribution: USA (Arizona, Arkansas, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Utah, Wyoming); Mexico (Aguascalientes, Chihuahua, Coahuila, Durango, Nuevo Leon, San Luis Potosi, Sonora, Tamaulipas, Zacatecas); Uruguay (Colonia, Paysandu, Rio Negro, San Jose, Soriano); Argentina (Buenos Aires, Cordoba, Entre Rios, La Pampa, Mendoza, Neuquén, Rio Negro, Santiago del Estero, Santa Fe, San Luis)
73 USA 74 USA 76 USA 77 USA 78 USA 79 MEX 85 ARG URU
Synonyms: hidden
= Bidens gracilis Torr.; Ann. Lyceum Nat. Hist. New York 2: 215 (1828)
= Bidens leyboldii Phil.; Anales Univ. Chile 1865(2): 338 (1865)
= Bidens megapotamica Spreng.; Syst. Veg., ed. 16 [Sprengel] 3: 454 (1826)
= Bidens paradoxa D.Don ex Hook. & Arn.; J. Bot. [Hooker] 3: 319 (1840)
= Cosmidium gracile (Torr.) Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 362 (1841)
= Isostigma megapotamicum (Spreng.) Sherff; Bot. Gaz. 81: 241, in adnot., 252 (1926)
= Thelesperma gracile (Torr.) A.Gray; Hooker´s J. Bot. Kew Gard. Misc. 1: 252 (1849)
= Thelesperma scabiosioides Less.; Linnaea 6: 511 (1831)
variant :
var. ramosius (S.F.Blake) Melchert; Phytologia 69(3): 221 (1990)
Distribution: Mexico (Coahuila)
79 MEX
Synonyms: hidden
= Thelesperma ramosius S.F.Blake; Proc. Biol. Soc. Washington 54: 20 (1941)
species :
Thelesperma muelleri (Sherff) Melchert; Phytologia 69(3): 221 (1990)
Distribution: Mexico (Nuevo Leon, Tamaulipas)
79 MEX
Synonyms: hidden
= Bidens muelleri Sherff; Publ. Field Mus. Nat. Hist., Bot. Ser. 16: 645 (1937)
species :
Thelesperma nuecense B.L.Turner; Rhodora 61: 243 (1959)
Distribution: USA (Texas)
77 USA
species :
Thelesperma scabridulum S.F.Blake; J. Wash. Acad. Sci. 25: 317 (1935)
Distribution: Mexico (Coahuila, Nuevo Leon, Tamaulipas)
79 MEX
species :
Thelesperma simplicifolium (A.Gray) A.Gray; Hooker´s J. Bot. Kew Gard. Misc. 1: 252 (1849)
Distribution: USA (Texas); Mexico (Chihuahua, Coahuila, Durango, Jalisco, Nuevo Leon, San Luis Potosi, Tamaulipas, Zacatecas)
77 USA 79 MEX
Synonyms: hidden
= Cosmidium simplicifolium A.Gray; Mem. Amer. Acad. Arts, n. s. 4: 86 (1849)
= Thelesperma curvicarpum Melchert; Southw. Naturalist 8: 179 (1963)
variant :
var. macrocarpum Melchert; Phytologia 69(3): 222 (1990)
Distribution: Mexico (Nuevo Leon)
79 MEX
species :
Thelesperma subaequale S.F.Blake; Proc. Biol. Soc. Washington 41: 145 (1928)
Distribution: Mexico (Coahuila, Nuevo Leon)
79 MEX
Synonyms: hidden
= Thelesperma shinnersii Flyr; Sida 4(3): 276 (1971)
species :
Thelesperma subnudum A.Gray; Proc. Amer. Acad. Arts 10: 72 (1874)
Distribution: Canada (Alberta); USA (Arizona, Colorado, Montana, Nevada, New Mexico, North Dakota, Utah, Wyoming)
71 CDN 73 USA 74 USA 76 USA 77 USA
Synonyms: hidden
= Thelesperma caespitosum Dorn; Madroño 37(4): 293 (1990 publ. 1991)
= Thelesperma marginatum Rydb.; Mem. New York Bot. Gard. 1: 421 (1900)
= Thelesperma pubescens Dorn; Great Basin Naturalist 43(4): 749 (1983)
= Thelesperma pubescens var. caespitosum (Dorn) C.J.Hansen; Sida 20(1): 91 (2002)
= Thelesperma subnudum var. alpinum S.L.Welsh; Great Basin Naturalist 43(2): 369 (1983)
= Thelesperma subnudum var. marginatum (Rydb.) Cronquist; Intermount. Fl. [Cronquist et al.] 5: 48 (1994)
= Thelesperma subnudum var. pubescens (Dorn) S.L.Welsh; Utah Fl., ed. 3: 236 (2003)
= Thelesperma windhamii C.J.Hansen; Sida 20(1): 91 (2002)
variant :
var. maliterrimum S.L.Welsh & N.D.Atwood; Utah Fl., ed. 4: 272 (2008)
Distribution: USA (Utah)
76 USA
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.12 (Dec. 21st, 2025)

Covering 358,226 accepted species,
8,847 hybrids, 48,003 accepted infraspecific taxa and 1,006,142 synonyms,
in total 1,421,218* 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