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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: 35249; 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)
452.9416 Genus Iva L.; Sp. Pl. [Linnaeus] 2: 988 (1753)
Distribution: N- and Central America, West Indies
Species listed in database: 10
= Denira Adans.; Fam. Pl. [Adanson] 2: 118 (1763), nom. superfl.
species :
Iva annua L.; Sp. Pl. [Linnaeus] 2: 988 (1753)
Name: Annual marsh elder
Distribution: Belgium [I]; USA (Alabama, Arkansas, Colorado, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maine, Michigan, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia, Wisconsin, West Virginia); Mexico (San Luis Potosi, Tamaulipas, Veracruz)
11 bgm 73 USA 74 USA 75 USA 77 USA 78 USA 79 MEX
Synonyms: hidden
= Ambrosia pitcheri Torr. ex Hook.; Compan. Bot. Mag. 1: 99 (1835)
= Iva ciliata var. latifolia DC.; Prodr. [A.P. de Candolle] 5: 529 (1836)
= Iva ciliata Willd.; Sp. Pl., ed. 4 [Willdenow] 3: 2386 (1803)
= Parthenium annuum Crantz; Inst. Rei Herb. 1: 345 (1766)
variant :
var. caudata (Small) R.C.Jacks.; Univ. Kansas Sci. Bull. 41(7): 812 (1960)
Distribution: USA (Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Missouri, Mississippi, Tennessee, Texas)
74 USA 75 USA 77 USA 78 USA
Synonyms: hidden
= Iva caudata Small; Bull. New York Bot. Gard. 1: 290 (1899)
variant :
var. macrocarpa (S.F.Blake) R.C.Jacks.; Univ. Kansas Sci. Bull. 41(7): 814 (1960)
Distribution: USA (Arkansas, Kentucky, Missouri)
75 USA 78 USA
Synonyms: hidden
= Iva ciliata var. macrocarpa S.F.Blake; Rhodora 41: 84, fig. 1a-f (1939)
species :
Iva asperifolia Less.; Linnaea 5: 151 (1830)
Name: Pensacola marsh elder
Distribution: USA (Florida); Mexico (Puebla, Tamaulipas, Veracruz)
78 USA 79 MEX
variant :
var. angustifolia (Nutt. ex DC.) B.L.Turner; Phytologia 91(1): 79 (2009)
Name: Narrowleaf marsh elder
Distribution: USA (Arkansas, Florida, Kansas, Louisiana, Oklahoma, Texas)
74 USA 77 USA 78 USA
Synonyms: hidden
= Iva angustifolia Nutt. ex DC.; Prodr. [A.P. de Candolle] 5: 529 (1836)
species :
Iva axillaris Pursh; Fl. Amer. Sept. [Pursh] 2: 743 (1813)
Name: Povertyweed
Distribution: Australia [I] (South Australia [I], Victoria [I]); Canada (Alberta, British Columbia, Manitoba, Saskatchewan); USA (Arizona, California, Colorado, Idaho, Kansas, Minnesota, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington State, Wisconsin, Wyoming)
50 aus 71 CDN 73 USA 74 USA 75 USA 76 USA 77 USA
Synonyms: hidden
= Iva axillaris subsp. robustior (Hook.) Bassett; Canad. J. Bot. 40: 1245 (1962)
= Iva axillaris var. brevifolia Kuntze; Revis. Gen. Pl. 1: 348 (1891)
= Iva axillaris var. linearifolia Kuntze; Revis. Gen. Pl. 1: 348 (1891)
= Iva axillaris var. robustior Hook.; Fl. Bor.-Amer. [Hooker] 1: 309 (1834)
= Iva foliolosa Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 346 (1840)
variant :
var. parvifolia S.L.Welsh & A.Huber; W. N. Amer. Naturalist 72(4): 445 (-446) (2012)
Distribution: USA (Colorado)
73 USA
species :
Iva cheiranthifolia Kunth; Nov. Gen. Sp. [H.B.K.], ed. fol. 4: 276 (1818)
Name: Fly marsh elder; Bush iva (Bahamas), Artemisa de playa, Artemisa del rio, Artemisilla, Artemisilla de playa, Escoba amarga, Rompe ropa, Yerba de cangrejo, Yerba de conejo (Cuba)
Distribution: USA [I] (Florida [I]); Bahamas; Cuba; Cayman Isl.
78 usa 81 BAH CAY CUB
Synonyms: hidden
= Anthemis crassifolia Humb. ex Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 102 (1841)
species :
Iva corbinii B.L.Turner; Lundellia 12: 5 (2009)
Distribution: USA (Texas: Travis Co.)
77 USA
species :
Iva frutescens L.; Sp. Pl. [Linnaeus] 2: 989 (1753)
subspecies :
subsp. frutescens
Name: Jesuit´s bark
Distribution: Switzerland [I]; USA (Alabama, Delaware, Florida, Georgia, Louisiana, Mississippi, North Carolina, New Jersey, South Carolina, Texas, Virginia)
11 swi 75 USA 77 USA 78 USA
Synonyms: hidden
= Parthenium frutescens (L.) Crantz; Inst. Rei Herb. 1: 345 (1766)
subspecies :
subsp. oraria (Bartlett) R.C.Jacks.; Univ. Kansas Sci. Bull. 41(7): 818 (1960)
Distribution: Canada (Nova Scotia); USA (Connecticut, Delaware, Georgia, Massachusetts, Maryland, Maine, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Texas, Virginia)
72 CDN 75 USA 77 USA 78 USA
Synonyms: hidden
= Iva frutescens var. oraria (Bartlett) Fernald & Griscom; Rhodora 37: 184 (1935)
= Iva oraria Bartlett; Rhodora 8: 26 (1906)
species :
Iva hayesiana A.Gray; Proc. Amer. Acad. Arts 11: 78 (1876)
Name: San Diego povertyweed
Distribution: USA (California); Mexico (Baja California Norte, Baja California Sur)
76 USA 79 MEX
species :
Iva imbricata Walter; Fl. Carol. [Walter] 232 (1788)
Name: Seacoast marsh elder
Distribution: USA (Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas, Virginia); Bahamas; Turks & Caicos Isl.; Cuba; Cayman Isl.
77 USA 78 USA 81 BAH CAY CUB TCI
Synonyms: hidden
= Baillieria caroliniana Spreng.; Syst. Veg., ed. 16 [Sprengel] 3: 625 (1826)
= Iva integrifolia Banks ex Pursh; Fl. Amer. Sept. [Pursh] 2: 580 (1813)
species :
Iva microcephala Nutt.; Trans. Amer. Philos. Soc., n. s. 7: 346 (1840)
Name: Piedmont marsh elder
Distribution: USA (Alabama, Florida, Georgia, North Carolina, South Carolina)
78 USA
species :
Iva texensis R.C.Jacks.; Univ. Kansas Sci. Bull. 41: 807 (1960)
Name: Texas marsh elder
Distribution: USA (Texas)
77 USA
Synonyms: hidden
= Iva angustifolia var. latior Shinners; Sida 1: 378 (1964)
= Iva asperifolia var. latior (Shinners) B.L.Turner; Phytologia 91(1): 80 (2009)
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.06 (June 15th, 2025)

Covering 356,645 accepted species,
8,788 hybrids, 48,065 accepted infraspecific taxa and 1,003,237 synonyms,
in total 1,416,735* 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