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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: 35263; hybrids: 678
= Acarnaceae Link; (1829)
= Ambrosiaceae Bercht. & J.Presl; Prír. Rostlin 254 (1820), nom. cons.
= Anthemidaceae Bercht. & J.Presl; Prír. Rostlin 254 (1820)
= Aposeridaceae Raf.; New Fl. [Rafinesque] 4: 106 (1838)
= Arctotaceae Bessey; Univ. Stud. Nebraska 14: 107 (1914)
= Arctotidaceae Bercht. & J.Presl; Prír. Rostlin 255 (1820)
= Artemisiaceae Martinov; Tekhno-Bot. Slovar 48 (1820)
= Athanasiaceae Martinov; Tekhno-Bot. Slovar 56 (1820)
= Calendulaceae Bercht. & J.Presl; Prír. Rostlin 254 (1820)
= Carduaceae Bercht. & J.Presl; Prír. Rostlin 255 (1820)
= Carlinaceae Bercht. & J.Presl; Prír. Rostlin 255 (1820)
= Centaureaceae Bercht. & J.Presl; Prír. 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; Prír. Rostlin 255 (1820)
= Eupatoriaceae Bercht. & J.Presl; Prír. 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; Prír. Rostlin 254 (1820)
= Helichrysaceae Link; Handbuch [Link] 1: 712 (1829)
= Inulaceae Bercht. & J.Presl; Prír. 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; Prír. Rostlin 254 (1820)
= Serratulaceae Martinov; Tekhno-Bot. Slovar 577 (1820)
= Tanacetaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Tussilagaceae Bercht. & J.Presl; Prír. Rostlin 254 (1820)
= Vernoniaceae Burmeist.; Handb. Naturgesch. 296 (1836)
= Xanthiaceae Vest; Anleit. Stud. Bot. 273, 298 (1818)
= Xeranthemaceae Döll; Rhein. Fl. [Döll] 498 (1843)
452.5267 Genus Stephanomeria Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 427 (1840)
Distribution: W-USA (14), Mexico
Species listed in database: 18
= Ptiloria Raf.; Atlantic J. 145 (1832)
= Hemiptilium A.Gray; Rep. U.S. Mex. Bound., Bot. [Emory] 105 (1858)
= Jamesia Nees; Reise Nord-America [Wied-Neuwied] 2: 442 (1844)
species :
Stephanomeria cichoriacea A.Gray; Proc. Amer. Acad. Arts 6: 552 (1864 publ. 1865)
Name: Chicoryleaf wirelettuce
Distribution: USA (California)
76 USA
Synonyms: hidden
= Ptiloria cichoriacea (A.Gray) Greene; Pittonia 2: 133 (1890)
species :
Stephanomeria diegensis Gottlieb; Madroño 21(7): 476 (1972)
Name: San Diego wirelettuce
Distribution: USA (California); Mexico (Baja California Norte); Isla Guadalupe
76 USA 79 GLP MEX
species :
Stephanomeria elata Nutt.; J. Acad. Nat. Sci. Philadelphia, Ser. 2, 1: 173 (1847)
Name: Nuttall´s wirelettuce
Distribution: USA (California, Oregon)
73 USA 76 USA
species :
Stephanomeria exigua Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 428 (1840)
subspecies :
subsp. exigua
Name: Small wirelettuce, skeletonplant
Distribution: USA (Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Texas, Utah, Washington); Mexico (Baja California Norte, Chihuahua, Coahuila, Sonora)
73 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Hemiptilium bigelovii A.Gray; Rep. U.S. Mex. Bound., Bot. [Emory] 2(1): 105 (1859)
= Hemiptilium schottii A.Gray; Rep. U.S. Mex. Bound., Bot. [Emory] 2(1): 105 (1859)
= Lygodesmia bigelovii (A.Gray) Shinners; Field & Lab. 18: 31 (1950)
= Ptiloria bigelovii (A.Gray) Wooton & Standl.; Contr. U.S. Natl. Herb. 16: 176 (1913)
= Ptiloria exigua (Nutt.) Greene; Pittonia 2: 132 (1890)
= Ptiloria pentachaeta (D.C.Eaton) Greene; Pittonia 2: 133 (1890)
= Ptiloria scabrella Greene; Pittonia 3: 311 (1898)
= Ptiloria schottii (A.Gray) Greene; Pittonia 2: 133 (1890)
= Stephanomeria exigua var. pentachaeta (D.C.Eaton) H.M.Hall; Univ. Calif. Publ. Bot. 3: 260 (1907)
= Stephanomeria oregonensis Gand.; Bull. Soc. Bot. France 65: 53 (1918)
= Stephanomeria pentachaeta D.C.Eaton; Botany (Fortieth Parallel) 199 (t. 20) (1871)
= Stephanomeria schottii (A.Gray) Benth. & Hook.f.; Gen. Pl. [Bentham & Hooker f.] 2(1): 533 (1873)
subspecies :
subsp. carotifera (Hoover) Gottlieb; Madroño 21(7): 472 (1972)
Name: Hoover´s wirelettuce
Distribution: USA (California)
76 USA
Synonyms: hidden
= Stephanomeria carotifera Hoover; Leafl. W. Bot. 10: 252 (1966)
= Stephanomeria exigua var. carotifera (Hoover) B.L.Turner; Phytologia 88(3): 310 (2006)
subspecies :
subsp. coronaria (Greene) Gottlieb; Madroño 21(7): 474 (1972)
Name: Small crown wirelettuce
Distribution: USA (California, Idaho, Nevada, Oregon)
73 USA 76 USA
Synonyms: hidden
= Ptiloria coronaria Greene; Pittonia 2: 132 (1890)
= Stephanomeria coronaria Greene; Bull. Calif. Acad. Sci. 1(4): 194 (1885)
= Stephanomeria exigua var. coronaria (Greene) Jeps.; Man. Fl. Pl. Calif. [Jepson] 998 (1925)
subspecies :
subsp. deanei (J.F.Macbr.) Gottlieb; Madroño 21(7): 470 (1972)
Name: Deane´s wirelettuce
Distribution: USA (California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Stephanomeria exigua var. deanei J.F.Macbr.; Contr. Gray Herb. 53: 22 (1918)
subspecies :
subsp. macrocarpa Gottlieb; Madroño 21(7): 473 (1972)
Name: Largeseed wirelettuce
Distribution: USA (California)
76 USA
Synonyms: hidden
= Stephanomeria exigua var. macrocarpa (Gottlieb) B.L.Turner; Phytologia 88(3): 310 (2006)
species :
Stephanomeria fluminea Gottlieb; Madroño 46(1): 58 (1999)
Name: Creekside wirelettuce
Distribution: USA (Wyoming)
73 USA
species :
Stephanomeria guadalupensis Brandegee; Zoe 5: 164 (1903)
Distribution: Isla Guadalupe
79 GLP
species :
Stephanomeria lactucina A.Gray; Proc. Amer. Acad. Arts 6: 552 (1864 publ. 1865)
Name: Woodland wirelettuce
Distribution: USA (California, Oregon)
73 USA 76 USA
Synonyms: hidden
= Ptiloria lactucina (A.Gray) Greene; Pittonia 2: 132 (1890)
species :
Stephanomeria malheurensis Gottlieb; Madroño 25(1): 44 (1978)
Name: Malheur wirelettuce
Distribution: USA (Oregon)
73 USA
species :
Stephanomeria mexiae M.E.Jones; Contr. W. Bot. 18: 83 (1933-5)
Distribution: Mexico (Chihuahua)
79 MEX
species :
Stephanomeria monocephala Moran; Trans. San Diego Soc. Nat. Hist. 15: 291 (1969)
Distribution: Mexico (Baja California Norte)
79 MEX
species :
Stephanomeria occultata Wellard & J.W.Baker; Syst. Bot. 43(2): 595 (2018)
Distribution: USA (Utah)
76 USA
species :
Stephanomeria paniculata Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 428 (1840)
Name: Stiff-branched wirelettuce
Distribution: USA (California, Idaho, Oregon, Washington)
73 USA 76 USA
Synonyms: hidden
= Ptiloria paniculata (Nutt.) Greene; Pittonia 2: 132 (1890)
= Stephanomeria suksdorfii Gand.; Bull. Soc. Bot. France 65: 53 (1918)
species :
Stephanomeria parryi A.Gray; Proc. Amer. Acad. Arts 19: 61 (1883)
Name: Parry´s wirelettuce
Distribution: USA (Arizona, California Nevada, Utah)
76 USA
Synonyms: hidden
= Ptiloria parryi (A.Gray) Coville; Contr. U.S. Natl. Herb. 4: 144 (1893)
species :
Stephanomeria pauciflora (Torr.) A.Nelson; New Man. Bot. Centr. Rocky Mt. 588 (1909)
Name: Prairie skeletonplant, brownplume or few-flowered wirelettuce
Distribution: USA (Arizona, California, Colorado, Kansas, Nevada, New Mexico, Oklahoma, Texas, Utah, Wyoming); Mexico (Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Sonora)
73 USA 74 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Jamesia pauciflora (Torr.) Nees; Reise Nord-America [Wied-Neuwied] 2: 442 (1840)
= Lygodesmia pauciflora (Torr.) Shinners; Field & Lab. 18: 30 (1950)
= Prenanthes parviflora Riddell; Syn. Fl. West. States 50 (1835)
= Prenanthes pauciflora Torr.; Ann. Lyceum Nat. Hist. New York 2: 210 (1827)
= Ptiloria cinerea S.F.Blake; Proc. Biol. Soc. Washington 35: 177 (1922)
= Ptiloria divaricata Greene; Erythea 1: 224 (1893)
= Ptiloria lygodesmoides A.Heller; Muhlenbergia 1: 7 (1900)
= Ptiloria pauciflora (Torr.) Raf.; Atlantic J. 145 (1832)
= Stephanomeria cinerea (S.F.Blake) S.F.Blake; J. Wash. Acad. Sci. 33: 272 (1943)
= Stephanomeria haleyi Eastw.; Leafl. W. Bot. 2: 55 (1937)
= Stephanomeria lygodesmoides M.A.Jones ex L.F.Hend.; Bull. Torrey Bot. Club 27: 349 (1900)
= Stephanomeria pauciflora var. parishii (Jeps.) Munz; Aliso 4: 100 (1958)
= Stephanomeria runcinata var. parishii Jeps.; Man. Fl. Pl. Calif. [Jepson] 998 (1925)
species :
Stephanomeria runcinata Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 428 (1840)
Name: Desert or sawtooth wirelettuce
Distribution: Canada (Alberta, Saskatchewan); USA (Colorado, Montana, Nebraska, North Dakota, Utah, Wyoming)
71 CDN 73 USA 74 USA 76 USA
Synonyms: hidden
= Prenanthes runcinata (Nutt.) E.James; Narrat. Exped. St. Peter´s River [Keating] 2: 394 (1824), nom. illeg.
= Ptiloria ramosa Rydb.; Mem. New York Bot. Gard. 1: 453 (1900)
= Stephanomeria heterophylla Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 427 (1840)
= Stephanomeria ramosa (Rydb.) Kittell; Fl. Ariz. New Mex. 351 (1941)
= Stephanomeria runcinata var. myrioclada (D.C.Eaton) Jeps.; Man. Fl. Pl. Calif. [Jepson] 998 (1925)
species :
Stephanomeria tenuifolia (Torr.) H.M.Hall; Univ. Calif. Publ. Bot. 3: 256 (1907)
Name: Slender wirelettuce, narrow-leaved skeletonplant
Distribution: Canada (British Columbia, Saskatchewan); USA (Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, North Dakota, Oregon, Texas, Utah, Washington, Wyoming); Mexico (Chihuahua, Coahuila, Nuevo Leon, Sonora)
71 CDN 73 USA 74 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Lygodesmia minor Hook.; Fl. Bor.-Amer. [Hooker] 1: 295, t. 103 (1833)
= Lygodesmia tenuifolia (Torr.) Shinners; Field & Lab. 18: 31 (1950)
= Lygodesmia wrightii (A.Gray) Shinners; Field & Lab. 18: 31 (1950)
= Prenanthes minor Steud.; Nomencl. Bot. [Steudel], ed. 2, 2: 393 (1841)
= Prenanthes tenuifolia Torr.; Ann. Lyceum Nat. Hist. New York 2: 210 (1827)
= Ptiloria filifolia Greene; Pittonia 3: 311 (1898)
= Ptiloria myrioclada (D.C.Eaton) Greene; Pittonia 2: 138 (1890)
= Ptiloria neomexicana Greene; Bull. Torrey Bot. Club 25: 123 (1898)
= Ptiloria tenuifolia (Torr.) Raf.; Atlantic J. 145 (1832), non L. 1753
= Ptiloria tenuifolia var. myrioclada (D.C.Eaton) S.F.Blake; Contr. U.S. Natl. Herb. 25: 622, 623 (1925)
= Ptiloria wrightii (A.Gray) Greene; Pittonia 2: 130 (1890)
= Stephanomeria minor Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 427 (1840)
= Stephanomeria minor var. myrioclada (D.C.Eaton) Kartesz; Synth. N. Amer. Fl., nomencl. innov. no. 37 (1999), nomen
= Stephanomeria minor var. uintaensis (Goodrich & S.L.Welsh) Kartesz; Synth. N. Amer. Fl., nomencl. innov. no. 38 (1999), nomen
= Stephanomeria myrioclada D.C.Eaton; Botany (Fortieth Parallel) 198, t. 20 (1871)
= Stephanomeria neomexicana (Greene) Cory; Rhodora 38: 408 (1936)
= Stephanomeria pauciflora var. myrioclada (D.C.Eaton) Munz; Man. S. Calif. Bot. [Munz] 589 (1935)
= Stephanomeria tenuifolia var. myrioclada (D.C.Eaton) Cronquist; Leafl. W. Bot. 6: 48 (1950)
= Stephanomeria tenuifolia var. uintaensis Goodrich & S.L.Welsh; Great Basin Naturalist 43(2): 375 (1983)
= Stephanomeria wrightii A.Gray; Proc. Amer. Acad. Arts 19: 62 (1883)
species :
Stephanomeria thurberi A.Gray; Mem. Amer. Acad. Arts, n. s. 5: 325 (1855)
Name: Thurber´s wirelettuce
Distribution: USA (Arizona, New Mexico Texas); Mexico (Chihuahua, Sonora)
76 USA 77 USA 79 MEX
Synonyms: hidden
= Lygodesmia thurberi (A.Gray) Shinners; Field & Lab. 18: 32 (1950)
= Ptiloria thurberi (A.Gray) Greene; Pittonia 2: 133 (1890)
species :
Stephanomeria virgata Benth.; Bot. Voy. Sulphur [Bentham] 32 (1844)
subspecies :
subsp. virgata
Name: Virgate wirelettuce
Distribution: USA (California); Mexico (Sonora)
76 USA 79 MEX
Synonyms: hidden
= Ptiloria canescens Greene; Pittonia 2: 131 (1890)
= Ptiloria tomentosa Greene; Pittonia 2: 121 (1890)
= Ptiloria virgata (Benth.) Greene; Pittonia 2: 130 (1890), et Man. Bot. San Francisco 230 (1894)
= Stephanomeria tomentosa Greene; Bull. Calif. Acad. Sci. 2(6): 152 (1886)
= Stephanomeria virgata var. tomentosa (Greene) Munz; Aliso 4: 100 (1958)
subspecies :
subsp. pleurocarpa (Greene) Gottlieb; Madroño 21(7): 480 (1972)
Name: Wand wirelettuce
Distribution: USA (California, Nevada, Oregon); Mexico (Baja California Norte)
73 USA 76 USA 79 MEX
Synonyms: hidden
= Ptiloria pleurocarpa Greene; Pittonia 2: 131 (1890)
= Stephanomeria virgata var. pleurocarpa (Greene) B.L.Turner; Phytologia 88(3): 311 (2006)
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A complete, synonymic checklist of the Higher Plants of the World


Version 25.07 (July 26th, 2025)

Covering 356,930 accepted species,
8,788 hybrids, 48,065 accepted infraspecific taxa and 1,003,736 synonyms,
in total 1,417,519* 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