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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: 35445; 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)
452.7296 Genus Isocoma Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 320 (1840)
Distribution: SW-USA (10), Mexico
Species listed in database: 16
species :
Isocoma acradenia (Greene) Greene; Erythea 2: 111 (1894)
Name: Pale-leaf goldenweed
Distribution: USA (Arizona, California, Nevada); Mexico (Baja California Norte, Baja California Sur, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Aster acradenius (Greene) Kuntze; Revis. Gen. Pl. 1: 317 (1891)
= Bigelowia acradenia Greene; Bull. Torrey Bot. Club 10: 126 (1883)
= Haplopappus acradenius (Greene) S.F.Blake; Contr. U.S. Natl. Herb. 25: 546 (1925)
= Isocoma limitanea Rose & Standl.; Contr. U.S. Natl. Herb. 16: 18 (1912)
variant :
var. bracteosa (Greene) G.L.Nesom; Phytologia 70(2): 81 (1991)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Haplopappus acradenius subsp. bracteosus (Greene) H.M.Hall; Publ. Carnegie Inst. Wash. 389: 233 (1928)
= Haplopappus acradenius var. bracteosus (Greene) McMinn; Man. Calif. Shrubs 574 (1939)
= Isocoma bracteosa Greene; Leafl. Bot. Observ. Crit. 1: 170 (1906)
variant :
var. eremophila (Greene) G.L.Nesom; Phytologia 70(2): 82 (1991)
Distribution: USA (Arizona, California, Nevada, Utah); Mexico (Baja California Norte, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Haplopappus acradenius subsp. eremophilus (Greene) H.M.Hall; Publ. Carnegie Inst. Wash. 389: 233 (1928)
= Haplopappus acradenius var. eremophilus Munz; Man. S. Calif. Bot. [Munz] 523 (1935)
= Isocoma acradenia subsp. eremophila (Greene) R.M.Beauch.; Phytologia 59(7): 437 (1986)
= Isocoma eremophila Greene; Leafl. Bot. Observ. Crit. 1: 171 (1906)
species :
Isocoma arguta Greene; Man. Bot. San Francisco 175 (1894)
Name: Contra Costa jimmyweed
Distribution: USA (California)
76 USA
Synonyms: hidden
= Haplopappus venetus var. argutus (Greene) D.D.Keck; Aliso 4: 103 (1958)
= Isocoma veneta var. arguta (Greene) Jeps.; Fl. W. Calif. [Jepson] 500 (1901)
species :
Isocoma azteca G.L.Nesom; Phytologia 70(2): 84 (1991)
Name: Apache jimmyweed
Distribution: USA (Arizona, New Mexico)
76 USA 77 USA
species :
Isocoma coronopifolia (A.Gray) Greene; Erythea 2: 111 (1894)
Name: Common jimmyweed
Distribution: USA (Texas); Mexico (Chihuahua, Coahuila, Nuevo Leon, Sonora, Tamaulipas)
77 USA 79 MEX
Synonyms: hidden
= Aster coronopifolius (A.Gray) Kuntze; Revis. Gen. Pl. 1: 317 (1891)
= Bigelowia coronopifolia (A.Gray) A.Gray; Proc. Amer. Acad. Arts 8: 638 (1873)
= Isocoma coronopifolia var. pedicellata (Greene) G.L.Nesom; Phytologia 70(2): 87 (1991)
= Isocoma pedicellata Greene; Leafl. Bot. Observ. Crit. 1: 170 (1906)
= Linosyris coronopifolia A.Gray; Smithsonian Contr. Knowl. 3(5) (Pl. Wright. 1): 96 (1852)
species :
Isocoma drummondii (Torr. & A.Gray) Greene; Erythea 2: 111 (1894)
Name: Drummond´s jimmyweed
Distribution: USA (Texas); Mexico (Coahuila, Nuevo Leon, San Luis Potosi, Tamaulipas)
77 USA 79 MEX
Synonyms: hidden
= Aster berlandieri Kuntze; Revis. Gen. Pl. 1: 315 (1891)
= Bigelowia drummondii (Torr. & A.Gray) A.Gray; Proc. Amer. Acad. Arts 8: 639 (1873)
= Chondrophora drummondii (Torr. & A.Gray) A.Heller; Bot. Explor. S. Texas 1: 101 (1895)
= Haplopappus drummondii (Torr. & A.Gray) S.F.Blake; Contr. U.S. Natl. Herb. 23: 1491 (1926)
= Isocoma megalantha Shinners; Field & Lab. 23: 34, fig (1955)
= Linosyris drummondii Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 233 (1842)
species :
Isocoma felgeri G.L.Nesom; Phytologia 70(2): 89 (1991)
Distribution: Mexico (Sonora)
79 MEX
species :
Isocoma gypsophila B.L.Turner; Sida 5(1) 24 (1972)
Distribution: Mexico (Aguascalientes, Coahuila, Nuevo Leon, Zacatecas)
79 MEX
species :
Isocoma hartwegii (A.Gray) Greene; Erythea 2: 111 (1894)
Distribution: Mexico (Aguascalientes, Guanajuato, Hidalgo, Jalisco, San Luis Potosi, Tlaxcala, Veracruz, Zacatecas)
79 MEX
Synonyms: hidden
= Aster hartwegii (A.Gray ex Hemsl.) Kuntze; Revis. Gen. Pl. 1: 318 (1891)
= Bigelowia hartwegii A.Gray ex Hemsl.; Biol. Centr.-Amer., Bot. 2: 115 (1884)
= Haplopappus hartwegii S.F.Blake; Contr. U.S. Natl. Herb. 23: 1492 (1926)
= Haplopappus venetus var. hartwegii (A.Gray) McVaugh; Contr. Univ. Michigan Herb. 9(4): 364 (1972)
species :
Isocoma humilis G.L.Nesom; Phytologia 70: 92 (1991)
Name: Zion jimmyweed
Distribution: USA (Utah)
76 USA
Synonyms: hidden
= Haplopappus leverichii Cronquist; Intermount. Fl. [Cronquist et al.] 5: 212 (1994) (nom. nov.)
species :
Isocoma menziesii (Hook. & Arn.) G.L.Nesom; Phytologia 70(2): 93 (1991)
Name: Pacific jimmyweed, Menzies´ goldenbush
Distribution: USA (California); Mexico (Baja California Norte, Baja California Sur)
76 USA 79 MEX
Synonyms: hidden
= Bigelowia menziesii A.Gray; Proc. Amer. Acad. Arts 8: 638 (1873)
= Haplopappus discoideus DC.; Prodr. [A.P. de Candolle] 5: 350 (1836)
= Haplopappus fasciculatus Vasey & Rose; Proc. U.S. Natl. Mus. 11: 530 (1888 publ. 1889)
= Haplopappus menziesii Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 241 (1842)
= Haplopappus venetus subsp. oxyphyllus (Greene) H.M.Hall; Publ. Carnegie Inst. Wash. 389: 225 (1928)
= Haplopappus venetus var. oxyphyllus Munz; Man. S. Calif. Bot. [Munz] 523 (1935)
= Isocoma latifolia Greene; Leafl. Bot. Observ. Crit. 1: 172 (1906)
= Isocoma leucanthemifolia Greene; Leafl. Bot. Observ. Crit. 1: 171 (1906)
= Isocoma microdonta Greene; Leafl. Bot. Observ. Crit. 1: 171 (1906)
= Isocoma oxyphylla Greene; Leafl. Bot. Observ. Crit. 1: 171 (1906)
= Isocoma veneta var. oxyphylla (Greene) R.M.Beauch.; Phytologia 59(7): 438 (1986)
= Isocoma villosa Greene; Leafl. Bot. Observ. Crit. 1: 172 (1906)
= Linosyris dentata Kellogg; Proc. Calif. Acad. Sci. 2: 16 (1863)
= Linosyris mexicana Schltdl.; Linnaea 14(Literat.): 128 (1840)
= Linosyris mexicana var. tomentosa A.Gray; Rep. U.S. Mex. Bound., Bot. [Emory] 2(1): 80 (1859)
= Pyrrocoma menziesii Hook. & Arn.; Bot. Beechey Voy. 351 (1838)
variant :
var. decumbens (Greene) G.L.Nesom; Phytologia 70(2): 95 (1991)
Distribution: USA (California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Bigelowia furfuracea Greene; Bull. Calif. Acad. Sci. 1(3): 87 (1885)
= Bigelowia veneta var. decumbens Brandegee ex Jeps.; Man. Fl. Pl. Calif. [Jepson] 1029 (1925)
= Gutierrezia furfuracea (Greene) Greene; Repert. Spec. Nov. Regni Veg. 7: 195 (1909)
= Haplopappus venetus subsp. furfuraceus (Greene) H.M.Hall; Publ. Carnegie Inst. Wash. 389: 226 (1928)
= Haplopappus venetus var. decumbens Munz; Man. S. Calif. Bot. [Munz] 522 (1935)
= Haplopappus venetus var. furfuraceus Munz; Man. S. Calif. Bot. [Munz] 523 (1935)
= Isocoma veneta var. decumbens (Brandegee) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1029 (1925)
= Isocoma veneta var. furfuracea (Greene) R.M.Beauch.; Phytologia 59(7): 437 (1986)
= Isocoma ×decumbens Greene; Leafl. Bot. Observ. Crit. 1: 172 (1906)
variant :
var. diabolica G.L.Nesom; Phytologia 70(2): 96 (1991)
Distribution: USA (California)
76 USA
variant :
var. sedoides (Greene) G.L.Nesom; Phytologia 70(2): 99 (1991)
Distribution: USA (California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Bigelowia veneta var. sedoides Greene; Bull. Calif. Acad. Sci. 2: 400 (1887)
= Haplopappus venetus var. sedoides (Greene) Munz; Man. S. Calif. Bot. [Munz] 522, 601 (1935)
= Isocoma sedoides (Greene) Greene; Leafl. Bot. Observ. Crit. 1: 172 (1906)
= Isocoma veneta var. sedoides (Greene) Jeps.; Man. Fl. Pl. Calif. [Jepson] 1029 (1925)
variant :
var. tridentata (Greene) G.L.Nesom; Phytologia 70(2): 100 (1991)
Distribution: Mexico (Baja California Sur)
79 MEX
Synonyms: hidden
= Bigelowia tridentata Greene; Bull. Torrey Bot. Club 10: 126 (1883)
= Haplopappus tridentatus (Greene) S.F.Blake; Contr. U.S. Natl. Herb. 23: 1493 (1926)
= Haplopappus venetus subsp. tridentatus H.M.Hall; Publ. Carnegie Inst. Wash. 389: 225 (1928)
= Isocoma tridentata (Greene) Greene; Erythea 2: 111 (1894)
variant :
var. vernonioides (Nutt.) G.L.Nesom; Phytologia 70(2): 101 (1991)
Distribution: USA (California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Haplopappus venetus subsp. vernonioides (Nutt.) H.M.Hall; Publ. Carnegie Inst. Wash. 389: 224 (1928)
= Haplopappus venetus subsp. vernonioides (Nutt.) Munz; Man. S. Calif. Bot. [Munz] 522, 601 (1935)
= Isocoma veneta var. vernonioides (Nutt.) Jeps.; Fl. W. Calif. [Jepson] 560 (1901)
= Isocoma vernonioides Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 320 (1840)
species :
Isocoma pluriflora (Torr. & A.Gray) Greene; Erythea 2: 111 (1894)
Name: Southern jimmyweed
Distribution: USA (Arizona, New Mexico, Texas); Mexico (Baja California Norte, Chihuahua, Coahuila, Durango, Sonora)
76 USA 77 USA 79 MEX
Synonyms: hidden
= Aster heterophyllus (A.Gray) Kuntze; Revis. Gen. Pl. 1: 316 (1891), nom. illeg.
= Bigelowia pluriflora (Torr. & A.Gray) Torr. & A.Gray; Proc. Amer. Acad. Arts 8: 639 (1873)
= Bigelowia wrightii (A.Gray) A.Gray; Proc. Amer. Acad. Arts 8: 639 (1873)
= Bigelowia wrightii var. hirtella A.Gray; Syn. Fl. N. Amer. 1(2): 142 (1884)
= Haplopappus heterophyllus (A.Gray) S.F.Blake; Contr. U.S. Natl. Herb. 25: 546 (1925)
= Haplopappus pluriflorus (Torr. & A.Gray) H.M.Hall; Gen. Haplopappus 237 (1928)
= Isocoma halophytica B.L.Turner; Sida 5(1): 23 (1972)
= Isocoma heterophylla (A.Gray) Greene; Erythea 2: 111 (1894)
= Isocoma hirtella (A.Gray) A.Heller; Muhlenbergia 1: 6 (1900)
= Isocoma oxylepis Wooton & Standl.; Contr. U.S. Natl. Herb. 16: 180 (1913)
= Isocoma wrightii (A.Gray) Rydb.; Bull. Torrey Bot. Club 33: 152 (1906)
= Linosyris heterophylla A.Gray; Smithsonian Contr. Knowl. 3(5) (Pl. Wright. 1): 95 (1852)
= Linosyris hirtella A.Gray; Smithsonian Contr. Knowl. 3(5) (Pl. Wright. 1): 95 (1852)
= Linosyris pluriflora Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 2: 233 (1842)
= Linosyris wrightii A.Gray; Smithsonian Contr. Knowl. 3(5) (Pl. Wright. 1): 95 (1852)
= Sericocarpus woodhousei Buckley; Proc. Acad. Nat. Sci. Philadelphia 13: 457 (1861 publ. 1862)
species :
Isocoma rusbyi Greene; Leafl. Bot. Observ. Crit. 1: 170 (1906)
Name: Rusby´s jimmyweed
Distribution: USA (Arizona, Colorado, New Mexico, Utah)
73 USA 76 USA 77 USA
Synonyms: hidden
= Haplopappus rusbyi (Greene) Cronquist; Intermount. Fl. [Cronquist et al.] 5: 212 (1994)
species :
Isocoma tehuacana G.L.Nesom; Phytologia 70(2): 107 (1991)
Distribution: Mexico (Puebla)
79 MEX
species :
Isocoma tenuisecta Greene; Leafl. Bot. Observ. Crit. 1: 169 (1906)
Name: Shrine jimmyweed, burroweed
Distribution: USA (Arizona, New Mexico); Mexico (Chihuahua, Sonora)
76 USA 77 USA 79 MEX
Synonyms: hidden
= Haplopappus fruticosus (Rose & Standl.) S.F.Blake; Contr. U.S. Natl. Herb. 23: 1493 (1926)
= Haplopappus tenuisectus (Greene) S.F.Blake ex L.Benson; Amer. J. Bot. 27: 188 (1940)
= Isocoma fruticosa Rose & Standl.; Contr. U.S. Natl. Herb. 16: 18 (1912)
species :
Isocoma tomentosa G.L.Nesom; Phytologia 70(2): 109 (1991)
Distribution: Mexico (Chihuahua)
79 MEX
species :
Isocoma veneta (Kunth) Greene; Erythea 2: 111 (1894)
Distribution: Mexico (Aguascalientes, Baja California Norte, Coahuila, Ciudad de Mexico, Guanajuato, Guerrero, Hidalgo, Jalisco, México State, Morelos, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tamaulipas, Tlaxcala, Veracruz, Zacatecas)
79 MEX
Synonyms: hidden
= Aster venetus (Kunth) Kuntze; Revis. Gen. Pl. 1: 318 (1891)
= Baccharis veneta Kunth; Nov. Gen. Sp. [H.B.K.], ed. fol. 4: 68 (1818)
= Bigelowia veneta (Kunth) A.Gray; Proc. Amer. Acad. Arts 8: 638 (1873)
= Haplopappus venetus (Kunth) S.F.Blake; Contr. U.S. Natl. Herb. 23: 1492 (1926)
= Isocoma veneta var. acradenia H.M.Hall; Univ. Calif. Publ. Bot. 3: 64 (1907)
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A complete, synonymic checklist of the Higher Plants of the World

Version 26.03 (March 30th, 2026)

Covering 359,184 accepted species,
8,882 hybrids, 47,737 accepted infraspecific taxa and 1,007,635 synonyms,
in total 1,423,438* 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