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Ver. 19.2
April 17th, 2024

512.0000 Family Asteraceae Dumort.; Comment. Bot. 55 (1822)
1620 genera, ca. 29.000 spp. (35.000 spp. incl. microspecies). Systematics taken mostly from Funk et al. (2009, 2020) and other recent publications
Species listed in database: 35235; hybrids: 679
= Acarnaceae Link; (1829)
= Ambrosiaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820), nom. cons.
= Anthemidaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Aposeridaceae Raf.; New Fl. N. Amer. 4: 106 (1838)
= Arctotaceae Bessey; Nebraska Univ. Stud. 14: 107 (1914)
= Arctotidaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Artemisiaceae Martinov; Tekhno-Bot. Slovar: 48 (1820)
= Athanasiaceae Martinov; Tekhno-Bot. Slovar: 56 (1820)
= Calendulaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Carduaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Carlinaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Centaureaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Cichoriaceae Juss.; Gen. Pl.: 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 1: 768 (1829)
= Cynaraceae Burnett; Outlines Bot.: 926, 931, 1094, 1111 (1835)
= Echinopaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Eupatoriaceae Bercht. & J.Presl; Prir. 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; Prir. Rostlin: 254 (1820)
= Helichrysaceae Link; Handbuch 1: 712 (1829)
= Inulaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Ivaceae Raf.; Fl. Tellur. 1: 31 (1837)
= Lactucaceae Drude; J. A. Schenk, 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.: 934, 935, 1094, 1111 (1835)
= Nassauviaceae Burmeist.; Handb. Naturgesch.: 290 (1836)
= Partheniaceae Link; Handbuch 1: 816 (1829)
= Perdiciaceae Link; Handbuch 1: 728 (1829)
= Picridaceae Martinov; Tekhno-Bot. Slovar: 482 (1820)
= Santolinaceae Martinov; Tekhno-Bot. Slovar: 560 (1820)
= Senecionaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Serratulaceae Martinov; Tekhno-Bot. Slovar: 577 (1820)
= Tanacetaceae Vest; Anleit. Stud. Bot.: 273, 298 (1818)
= Tussilagaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Vernoniaceae Burmeist.; Handb. Naturgesch.: 296 (1836)
= Xanthiaceae Vest; Anleit. Stud. Bot.: 273, 298 (1818)
= Xeranthemaceae Döll; Rhein. Fl.: 498 (1843)
512.9411 Genus Ambrosia L.; Sp. Pl. 2: 987 (1753)
Distribution: N-(from Canada to Mexico) and S-America, West Indies, 1 Mediterranean
Species listed in database: 46; hybrids: 3
= Acanthambrosia Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 22 (1922)
= Franseria Cav.; Icon. 2: 78 (1793), nom. cons.
= Gaertneria Medik.; Philos. Bot. (Medikus) 1: 45 (1789), nom. illeg.
= Hemiambrosia Delpino; Studi Lign. Anemof.: 57 (1871)
= Hemixanthidium Delpino; Studi Lign. Anemof.: 60 (1871)
= Hymenoclea Torr. & A.Gray; Mem. Amer. Acad. Arts, n.s. 4(1): 79 (1849)
= Xanthidium Delpino; Studi Lign. Anemof.: 62 (1871), nom. illeg.
species :
Ambrosia acanthicarpa Hook.; Fl. Bor. Am. 1: 309 (1833)
Name: Flatspine bur ragweed
Distribution: Canada (Alberta, Manitoba, Saskatchewan); USA (Arizona, California, Colorado, Idaho, Kansas, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington State, Wyoming); Mexico (Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Sonora)
71 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Franseria acanthicarpa (Hook.) Coville; Contrib. U. S. Nat. Herb. 4: 129 (1893)
= Franseria californica Gand.; Bull. Soc. Bot. France 65: 54 (1918)
= Franseria hookeriana Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 345 (1840)
= Franseria montana Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 345 (1840)
= Gaertneria acanthicarpa (Hook.) Britton; Mem. Torrey Bot. Club 5: 332 (1894)
= Gaertneria hookeriana (Nutt.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Hemixanthidium montanum (Nutt.) Delpino; Studi sopra Artemis. 60 (1871)
species :
Ambrosia acuminata (Brandegee) W.W.Payne; J. Arnold Arbor. 45: 410 (1964)
Distribution: Mexico (Baja California Norte, Baja California Sur, Sonora)
79 MEX
Synonyms: hidden
= Franseria acuminata Brandegee; Proc. Calif. Acad. Sci. (ser. 2) 2: 171 (1889)
species :
Ambrosia ambrosioides (Cav.) W.W.Payne; J. Arnold Arbor. 45: 410 (1964)
Name: Ambrosia leaf bur ragweed
Distribution: USA (Arizona, California); Mexico (Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Durango, Sinaloa, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Ambrosia ambrosioides subsp. septentrionale Sparre; Opera Bot. 108: 25 (1991)
= Ambrosia longifolia Sessé & Moc.; Fl. Mexic.: 216 (1894)
= Franseria ambrosioides Cav.; Icon. 2: 79 (1793), nom. superfl.
= Franseria ambrosioides Willd.; Sp. Pl. ed. 4. 4: 379 (1805), nom. illeg.
= Gaertneria ambrosioides (Cav.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Xanthidium ambrosioides (Cav.) Delpino; Studi sopra Artemis. 63 (1871)
species :
Ambrosia arborescens Mill.; Gard. Dict. ed. VIII. n. 5 (1768)
Distribution: Algeria [I]; Colombia (Boyacá, Cauca, Cundinamarca, Huila, Nariño); Ecuador; Peru; Bolivia (Chuquisaca, Cochabamba, La Paz, Potosí, Santa Cruz); Chile (Coquimbo)
20 alg 82 CLM 83 BOL ECU PER 85 CLE
Synonyms: hidden
= Ambrosia fruticosa Medik.; Act. Acad. Theod. Palat. 3: Phys. 247 (1775)
= Franseria arborescens (Mill.) Brandegee; Zoe 5: 162 (1903)
= Franseria artemisioides Willd.; Sp. Pl. 4: 374 (1805)
= Franseria conwayi Rusby; Bull. New York Bot. Gard. 8: 130 (1912)
= Gaertneria artemisioides (Willd.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Gaertneria fruticosa Kuntze; Revis. Gen. Pl. 1: 339 (1891), nom. superfl.
= Gaertneria meyeniana Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Xanthidium artemisioides (Willd.) Delpino; Studi sopra Artemis. 63 (1871)
= Xanthium fruticosum (Medik.) L.f.; Suppl. 418 (1782)
species :
Ambrosia artemisiifolia L.; Sp. Pl. 988 (1753)
Name: Annual ragweed (EN), Hohe Ambrosie (DE); Altamisa, Artemisa (ES)
Distribution: England [I]; Northern Ireland [I]; Ireland [I]; Denmark [I]; Norway [I]; Netherlands [I]; Belgium [I]; Luxembourg [I]; Germany [I]; Switzerland [I]; Liechtenstein [I]; Austria [I]; Poland [I]; Czech Republic [I]; Slovakia [I]; Hungary [I]; Portugal [I]; Spain [I]; France [I]; Channel Isl. [I]; Corsica [I]; Italy [I]; Slovenia [I]; Croatia [I]; Bosnia & Hercegovina [I]; Serbia; Kosovo [I]; Albania [I]; Romania [I]; Bulgaria [I]; NW-Greece [I]; Estonia [I]; Latvia [I]; Lithuania [I]; Belarus [I]; European Russia [I]; W-European Russia [I] (Kaliningrad region [I]); Moldova [I]; Ukraine [I]; Crimea [I]; Algeria [I]; ?Libya [I]; Egypt [I]; Madeira [I] (Madeira Isl. [I]); Zambia [I]; Botswana [I]; South Africa [I] (widespread); Mauritius [I]; Siberia [I] (Irkutsk [I], W-Siberia [I]); Russian Far East [I] (Khabarovsk [I], Primorye [I], Sakhalin [I]); Kazakhstan [I]; Uzbekistan [I]; Kyrgyzstan [I]; Tajikistan [I]; Northern Caucasus [I]; Georgia [Caucasus] [I]; Armenia [I]; Azerbaijan [I]; Turkey [I]; Iran [I] (N-Iran [I]); Afghanistan [I]; China [I]; South Korea [I]; Japan [I]; Taiwan [I]; India [I]; Java [I]; Java [I]; Australia [I] (Western Australia [I], Queensland [I], New South Wales [I]); New Zealand [I]; Hawaii [I] (Kauai [I], Oahu [I], Molokai [I], Maui [I], Hawaii Isl. [I]); Canada (Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Northern Territories, Ontario, Prince Edward Isl., Québec, Saskatchewan); USA (Arkansas, Arizona, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington State, Wisconsin, West Virginia, Wyoming); Bermuda; Mexico (Aguascalientes, Chihuahua, Coahuila, Durango, Guanajuato, Hidalgo, Jalisco, México State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas); Costa Rica; Panama; Bahamas; Cuba; Jamaica; Hispaniola; Colombia (Cundinamarca, Magdalena, Nariño); Ecuador; Galapagos; Peru; Bolivia; N-Brazil (Amapa, Pará, Amazonas, Acre, Rondônia); NE-Brazil (Ceara, Paraíba, Bahia); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Caazapa, Cordillera, Pres. Hayes); Uruguay (Artigas, Canelones, Florida Prov., Montevideo, Paysandu, Rio Negro, Rivera); Argentina (Buenos Aires, Catamarca, Chaco, Cordoba, Corrientes, Entre Rios, Formosa, Jujuy, La Rioja, Mendoza, Misiones, Salta, Santiago del Estero, Santa Fe, San Juan); Chile
10 den grb ire nor 11 aut bgm cze ger hun lie lux net pol slo swi 12 cis cor fra por spa 13 alb bih bul cro grc ita kos rom slv SRB 14 blr est kry lat lit mld rus ukr 20 alg egy 21 mdr 26 zam 27 bot saf 29 mau 30 sib 31 rfe 32 kaz kgz tzk uzb 33 arm aze geo ncs 34 afg irn tur 36 chi 38 jap kor tai 40 ind 42 jaw 50 aus 51 nzl 63 haw 70 CDN 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA 79 MEX 80 COS PAN 81 BAH BER CUB HIS JAM 82 CLM 83 BOL ECU GAL PER 84 BRA 85 ARG CLE PAR URU
Synonyms: hidden
= Ambrosia artemisiifolia f. gracilissima D.Cirtu & M.Cirtu; Stud. Comun. Muz. Sti. Nat., Bot. Bacau 5: 116 (1972)
= Ambrosia artemisiifolia f. villosa Fernald & Griscom; Rhodora 37: 185 (1935)
= Ambrosia artemisiifolia subsp. diversifolia Piper; Contr. U. S. Natl. Herb. 11: 551 (1906)
= Ambrosia artemisiifolia var. diversifolia Piper; Contr. U.S. Natl. Herb. 11: 551 (1906)
= Ambrosia artemisiifolia var. elatior (L.) Descourt.; Fl. Med. Antilles 1: 239 (1821)
= Ambrosia artemisiifolia var. jamaicensis Griseb.; Fl. Brit. W. I. 370 (1861)
= Ambrosia artemisiifolia var. octocornis Kuntze; Revis. Gen. Pl. 1: 305 (1891)
= Ambrosia artemisiifolia var. quadricornis Kuntze; Revis. Gen. Pl. 1: 305 (1891)
= Ambrosia chilensis Hook. & Arn.; J. Bot. (Hooker) 3: 311 (1840)
= Ambrosia diversifolia (Piper) Rydb.; N. Am. Fl. 33: 18 (1922)
= Ambrosia elata Salisb.; Prodr. Stirp. Chap. Allerton 175 (1796)
= Ambrosia elatior f. aurea Priszter; Magyar Fl. Veg. 7: 57 (1985)
= Ambrosia elatior L.; Sp. Pl. 2: 987-988 (1753)
= Ambrosia elatior var. artemisiifolia (L.) Farw.; Rep. (Annual) Michigan Acad. Sci. 15: 190 (1913)
= Ambrosia elatior var. heterophylla Farw.; Rep. (Annual) Michigan Acad. Sci. 15: 190 (1913)
= Ambrosia glandulosa Scheele; Linnaea 22: 157 (1849)
= Ambrosia monophylla (Walter) Rydb.; N. Am. Fl. 33: 17 (1922)
= Ambrosia senegalensis DC.; Prodr. [A. DC.] 5: 525 (1836)
= Ambrosia umbellata Moench; Suppl. Meth.: 272 (1802)
= Iva monophylla Walter; Fl. Carol.: 232 (1788)
variant :
var. paniculata (Michx.) Blank.; Rep. (Annual) Missouri Bot. Gard. 18: 173 (1907)
Name: Annual ragweed
Distribution: USA (Alabama, Florida, Georgia, Kentucky, Louisiana, Massachusetts, Maine, Mississippi, North Carolina, New Hampshire, New York, South Carolina, Tennessee, Texas, Virginia, Vermont); Mexico
75 USA 77 USA 78 USA 79 MEX
Synonyms: hidden
= Ambrosia paniculata Michx.; Fl. Bor. Am. 2: 183 (1803)
species :
Ambrosia artemisioides Meyen & Walp.; Nov. Act. Nat. Cur. 19: Suppl. 1: 268 (1843)
Name: Tikara, pikara, cadillo, monte verde, tol negra, pegapega, lipelipe [Chile]
Distribution: Peru; Bolivia (La Paz); Chile (Arica y Parinacota, Tarapacá, Antofagasta)
83 BOL PER 85 CLE
Synonyms: hidden
= Ambrosia fruticosa var. intermedia DC.; Prodr. [A. DC.] 5: 526 (1836)
= Ambrosia tacorensis Meyen; Reise Erde 1: 456 (1834)
= Franseria fruticosa Phil.; Anales Mus. Nac., Santiago de Chile 1891: 50 (1891)
= Franseria meyeniana Sch.Bip.; Bonplandia (Hannover) 4: 54 (1856)
= Franseria recurva Rusby; Bull. N. Y. Bot. Gard. 8: 131 (1912)
= Franseria tacorensis Meyen & Walp.; Nov. Act. Nat. Cur. 19: Suppl. 1: 268 (1843)
species :
Ambrosia bidentata Michx.; Fl. Bor. Am. 2: 182 (1803)
Name: Lanceleaf ragweed (EN), Zweizähnige Ambrosie (DE)
Distribution: Germany [I]; USA (Alabama, Arkansas, Connecticut, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Minnesota, Missouri, Mississippi, North Carolina, New Jersey, New York, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia)
11 ger 74 USA 75 USA 77 USA 78 USA
species :
Ambrosia bryantii (Curran) W.W.Payne; Madrono 16: 234 (1962)
Distribution: Mexico (Baja California Norte, Baja California Sur)
79 MEX
Synonyms: hidden
= Acanthambrosia bryantii (Curran) Rydb.; N. Am. Fl. 33: 22 (1922)
= Franseria bryantii Curran; Proc. Calif. Acad. Ser. 2(1): 232 (1888)
species :
Ambrosia camphorata (Greene) W.W.Payne; J. Arnold Arbor. 45: 414 (1964)
Distribution: Mexico (Baja California Norte, Baja California Sur, Guanajuato, Michoacan, San Luis Potosi, Sonora); Isla Guadalupe
79 GLP MEX
Synonyms: hidden
= Ambrosia bipinnatifida (Nutt.) Greene; Man. Bot. San Franc. Bay 187 (1894)
= Franseria bipinnatifida (Nutt.) A.Gray; Proc. Amer. Acad. Arts 11: 115 (1876)
= Franseria bipinnatifida Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 344 (1840)
= Franseria bipinnatifida var. dubia Eastw.; Proc. Calif. Acad. Sci., ser. 3, Bot. 1: 117 (1898)
= Franseria bipinnatifida var. insularis Reiche; Anales Univ. Chile 112: 131 (1903)
= Franseria bipinnatifida var. villosa Eastw.; Britton et al. (eds.), N. Amer. Fl. 33: 26 (1922)
= Franseria camphorata Greene; Bull. Calif Acad. 1: IV. 192 (1885)
= Franseria camphorata var. leptophylla A.Gray; Proc. Amer. Acad. Arts 22: 309 (1887)
= Franseria hispida Benth.; Bot. Voy. Sulphur: 25 (1844)
= Franseria leptophylla Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 32 (1922)
= Franseria lessingii Meyen & Walp.; Nov. Act. Nat. Cur. 19: Suppl. 1: 268 (1843)
= Gaertneria bipinnatifida (Nutt.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Gaertneria bipinnatifida var. dubia A.Heller; Muhlenbergia 1: 6 (1900)
= Gaertneria hispida Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia canescens A.Gray; Proc. Amer. Acad. 17: 217 (1882)
Name: Hairy ragweed
Distribution: USA (Arizona); Mexico (Aguascalientes, Baja California Sur, Chihuahua, Durango, Guanajuato, Hidalgo, Jalisco, México State, Michoacan, Queretaro, San Luis Potosi, Sonora, Zacatecas)
76 USA 79 MEX
Synonyms: hidden
= Ambrosia fruticosa var. canescens Benth.; Pl. Hartw.: 17 (1839)
= Franseria canescens (A.Gray) Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 27 (1922)
species :
Ambrosia carduacea (Greene) W.W.Payne; J. Arnold Arbor. 45: 416 (1964)
Distribution: Mexico (Baja California Norte, Baja California Sur, Sonora)
79 MEX
Synonyms: hidden
= Franseria acerifolia M.E.Jones; Contr. W. Bot. 18: 78 (1933)
= Franseria carduacea Greene; Leaflets Bot. Obs. 2: 156 (1911)
species :
Ambrosia chamissonis (Less.) Greene; Man. Bot. San Franc. Bay 188 (1894)
Name: Silver bur ragweed
Distribution: Alaska; Canada (British Columbia); USA (California, Oregon, Washington State); Mexico (Baja California Norte, Baja California Sur); Chile (Coquimbo, Valparaíso, O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Rios, Los Lagos)
70 ASK 71 CDN 73 USA 76 USA 79 MEX 85 CLE
Synonyms: hidden
= Ambrosia chamissonis f. bipinnatisecta (Less.) W.W.Payne; Biochem. Syst. 1(1): 32 (1973)
= Ambrosia chamissonis var. bipinnatisecta (Less.) J.T.Howell; Marin Flora, ed. 2: 363 (1970)
= Ambrosia chamissonis var. cuneifolia (Nutt.) W.W.Payne; Biochem. Syst. 1(1): 32 (1973)
= Franseria chamissonis f. bipinnatisecta (Less.) Calder & Roy L.Taylor; Canad. J. Bot. 43: 1399 (1965)
= Franseria chamissonis Less.; Linnaea 6: 507 (1831)
= Franseria chamissonis subsp. bipinnatisecta (Less.) Wiggins & Stockw.; Madroño 4: 120 (1937)
= Franseria chamissonis var. bipinnatisecta Less.; Linnaea 6: 508 (1831)
= Franseria chamissonis var. cuneifolia (Nutt.) Torr. & A.Gray; Fl. N. Amer. 2: 293 (1842)
= Franseria chamissonis var. malvifolia Less.; Linnaea 6: 507 (1831)
= Franseria chamissonis var. viscida Eastw.; Proc. Calif. Acad. Sci., ser. 3, Bot. 1: 117 (1898)
= Franseria cuneifolia Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 345 (1840)
= Franseria villosa Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 26 (1922)
= Gaertneria chamissonis (Less.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Gaertneria chamissonis var. viscida A.Heller; Muhlenbergia 1: 6 (1900)
species :
Ambrosia cheiranthifolia A.Gray; Torrey Bot. Mex. Bound, 87 (1859)
Name: Rio Grande ragweed
Distribution: USA (Texas); Mexico (Coahuila, Tamaulipas)
77 USA 79 MEX
species :
Ambrosia chenopodiifolia (Benth.) W.W.Payne; J. Arnold Arbor. 45: 419 (1964)
Name: San Diego bur ragweed
Distribution: USA (California); Mexico (Baja California Norte, Baja California Sur, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Franseria chenopodiifolia Benth.; Bot. Voy. Sulph. 26 (1844)
= Franseria lancifolia Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 36 (1922)
= Gaertneria chenopodiifolia Abrams; Bull. New York Bot. Gard. 6: 461 (1910)
species :
Ambrosia confertiflora DC.; Prodr. [A. DC.] 5: 526 (1836)
Name: Weakleaf bur ragweed
Distribution: Israel [I]; Australia [I] (Queensland [I], New South Wales [I], South Australia [I]); USA (Arizona, California, Colorado, Kansas, New Mexico, Oklahoma, Tennessee, Texas, Utah); Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Colima, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, México State, Michoacan, Morelos, Nuevo Leon, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas); Revillagigedos Isl. [I] (Isla Socorro [I]); Dominican Republic
34 isr 50 aus 73 USA 74 USA 76 USA 77 USA 78 USA 79 MEX rgi 81 HIS
Synonyms: hidden
= Ambrosia caudata (Rydb.) Shinners; Field & Lab. 17: 174 (1949)
= Franseria caudata Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 29 (1922)
= Franseria confertiflora (DC.) Rydb.; N. Am. Fl. 33: 28 (1922)
= Franseria hispidissima Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 29 (1922)
= Franseria incana Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 30 (1922)
= Franseria pringlei Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 28 (1922)
= Franseria strigulosa Rydb.; N. Am. Fl. 33: 28 (1922)
= Franseria tenuifolia var. tripinnatifida A.Gray; Boston J. Nat. Hist. 6: 227 (1850)
= Gaertneria tenuifolia Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia cordifolia (A.Gray) W.W.Payne; J. Arnold Arbor. 45: 421 (1964)
Name: Tucson bur ragweed
Distribution: USA (Arizona); Mexico (Baja California Norte, Baja California Sur, Chihuahua, Guanajuato, Hidalgo, Queretaro, San Luis Potosi, Sinaloa, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Franseria cordifolia A.Gray; Syn. Fl. N. Am. 1: II. 445 (1884)
= Franseria malvacea Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 34 (1922)
= Gaertneria cordifolia (A.Gray) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia cumanensis Kunth; Nov. Gen. Sp. [H. B. K.], ed. fol. 4: 276 (1818)
Name: Peruvian ragweed; Altamis, High Mass, Tansy, Wild Tomato (Trinidad & Tobago)
Distribution: Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Campeche, Chiapas, Chihuahua, Coahuila, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, México State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Tlaxcala, Veracruz, Zacatecas); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Cuba; Jamaica; Hispaniola [I]; Puerto Rico [I]; Virgin Isl. [I] (St. Croix [I]); St. Barthélémy; Guadeloupe; Dominica; Martinique; Trinidad; Colombia (Amazonas, Antioquia, Atlántico, Bolívar, Boyacá, Caldas, Caquetá, Cauca, Cesar, Chocó, Cundinamarca, Magdalena, Meta, Nariño, Norte de Santander, Quindío, Santander, Tolima, Valle); Venezuela (Anzoategui, Apure, Bolívar, Delta Amacuro, Venezuela Distrito Federal, Falcon, Merida, Miranda, Monagas, Nueva Esparta, Tachira); Bolivia (Beni, Cochabamba); N-Brazil (Acre, Pará, Amazonas); NE-Brazil (Bahia, Maranhao); Chile (Arica y Parinacota, Tarapacá)
79 MEX 80 BLZ ELS GUA HON NIC 81 CUB DOM GDL his JAM MAR pue SBA TRT vir 82 CLM VEN 83 BOL 84 BRA 85 CLE
Synonyms: hidden
= Ambrosia artemisiifolia var. trinitensis Griseb.; Fl. Brit. W. I.: 370 (1861)
= Ambrosia orobanchifera Meyen; Reise Erde 1: 444 (1834)
= Ambrosia paniculata f. dissecta O.E.Schulz; I. Urb., Symb. Antill. 7: 87 (1911)
= Ambrosia paniculata f. litoralis O.E.Schulz; I. Urb., Symb. Antill. 7: 87 (1911)
= Ambrosia paniculata var. cumanensis (Kunth) O.E.Schulz; Symb. Antill. 7: 86 (1911)
= Ambrosia paniculata var. peruviana (Willd.) O.E.Schulz; I. Urb., Symb. Antill. 7: 87 (1911)
= Ambrosia peruviana Willd.; Sp. Pl. ed. 4. 4: 377 (1805), nom. illeg.
species :
Ambrosia deltoidea (Torr.) W.W.Payne; J. Arnold Arbor. 45: 421 (1964)
Name: Triangle bur ragweed
Distribution: USA (Arizona); Mexico (Baja California Norte, Baja California Sur, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Franseria deltoidea Torr.; Pl. Fremont. 15 (1853)
= Gaertneria deltoidea (Torr.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia dentata (Cabrera) M.O.Dillon; Phytologia 56(5): 337 (1984)
Distribution: Peru
83 PER
Synonyms: hidden
= Ambrosia parvifolia W.W.Payne; Brittonia 18: 35 (1966)
= Franseria dentata Cabrera; Bol. Soc. Argent. Bot. 10: 25 (1962)
species :
Ambrosia divaricata (Brandegee) W.W.Payne; Papers Mich. Acad. Sci. 49: 42 (1964)
Distribution: Mexico (Baja California Norte, Baja California Sur, Sonora)
79 MEX
Synonyms: hidden
= Franseria divaricata Brandegee; Proc. Calif. Acad. Ser. 11. 2: 171 (1889)
species :
Ambrosia dumosa (A.Gray) W.W.Payne; J. Arnold Arbor. 45: 422 (1964)
Name: Burrobush
Distribution: USA (Arizona, California, Nevada, Utah); Mexico (Baja California Norte, Baja California Sur, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Franseria albicaulis Torr.; Pl. Fremont. 16 (1853)
= Franseria dumosa A.Gray; Rep. Prem. 2nd Exped. 316 (1845)
= Gaertneria dumosa (A.Gray) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia eriocentra (A.Gray) W.W.Payne; J. Arnold Arbor. 45: 423 (1964)
Name: Woolly fruit bur ragweed
Distribution: USA (Arizona, California, Nevada, Utah)
76 USA
Synonyms: hidden
= Franseria eriocentra A.Gray; Proc. Amer. Acad. Arts 7: 355 (1868)
= Gaertneria eriocentra (A.Gray) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia flexuosa (A.Gray) W.W.Payne; J. Arnold Arbor. 45: 424 (1964)
Distribution: Mexico (Baja California Norte, Sonora)
79 MEX
Synonyms: hidden
= Franseria flexuosa A.Gray; Proc. Amer. Acad. Arts 20: 298 (1885)
species :
Ambrosia grayi (A.Nelson) Shinners; Field & Lab. 17: 174 (1949)
Name: Woollyleaf bur ragweed
Distribution: USA (Colorado, Kansas, Nebraska, New Mexico, Oklahoma, Texas)
73 USA 74 USA 77 USA
Synonyms: hidden
= Franseria grayi (A.Nelson) A.Nelson; New Man. Bot. Centr. Rocky Mts. 542 (1909)
= Franseria tomentosa A.Gray; Pl. Fendl. 80 (1849)
= Gaertneria tomentosa (A.Gray) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Gaertneria grayi A.Nelson; Coult. Bot. Gaz. 34: 35 (1902)
species :
Ambrosia hispida Pursh; Fl. Am. Sept. Suppl. 743 (1814)
Name: Altamisa de playa; Bay tansy; Coastal ragweed
Distribution: USA (Florida); Mexico (Campeche, Quintana Roo, Veracruz, Yucatan); Belize; Honduras; Bahamas; Turks & Caicos Isl.; Cuba; Cayman Isl.; Jamaica; Hispaniola; Puerto Rico; Virgin Isl. (Tortola, Virgin Gorda); St. Martin/St. Maarten; St. Barthélémy; Saba; St. Eustatius; St. Kitts; Antigua; Montserrat; Guadeloupe; Marie-Galante; Dominica; Martinique; St. Lucia; St. Vincent; Barbados; Trinidad & Tobago [I]; Guyana
78 USA 79 MEX 80 BLZ HON 81 ABA BAH BBD CAY CUB DOM GDL HIS JAM MAR MTS PUE SAB SBA STE STK STL STM STV TCI trt VIR 82 GUY
Synonyms: hidden
= Ambrosia crithmifolia DC.; Prodr. [A. DC.] 5: 525 (1836)
= Ambrosia maritima Ferrero ex DC.; Prodr. [A. DC.] 5: 525 (1836)
species :
Ambrosia humi León de la Luz & Rebman; Bol. Soc. Bot. Mexico 86: 66 (2010)
Distribution: Mexico (Baja California Sur)
79 MEX
species :
Ambrosia ilicifolia (A.Gray) W.W.Payne; J. Arnold Arbor. 45: 425 (1964)
Name: Hollyleaf bur ragweed
Distribution: USA (Arizona, California); Mexico (Baja California Norte, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Franseria ilicifolia A.Gray; Proc. Amer. Acad. Arts 11: 77 (1876)
= Gaertneria ilicifolia (A.Gray) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
species :
Ambrosia johnstoniorum Henrickson; Brittonia 32(3): 340 (1980)
Distribution: Mexico (Coahuila)
79 MEX
species :
Ambrosia linearis (Rydb.) W.W.Payne; J. Arnold Arbor. 45: 425 (1964)
Name: Streaked bur ragweed
Distribution: USA (Colorado)
73 USA
Synonyms: hidden
= Franseria linearis (Rydb.) Rydb.; N. Am. Fl. 33: 27 (1922)
= Gaertneria linearis Rydb.; Bull. Torrey Bot. Club, 133 (1905)
species :
Ambrosia magdalenae (Brandegee) W.W.Payne; J. Arnold Arbor. 45: 426 (1964)
Distribution: Mexico (Baja California Norte, Baja California Sur, Sonora)
79 MEX
Synonyms: hidden
= Franseria intricata Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 33 (1922)
= Franseria magdalenae Brandegee; Proc. Calif. Acad. Sci., ser. 2, 2: 170 (1889)
species :
Ambrosia maritima L.; Sp. Pl. 988 (1753)
Name: Küsten-Traubenkraut, Strand-Ambrosie (DE); Coastal Ragweed (EN)
Distribution: Germany [I]; Spain; Baleares (Mallorca); France; Corsica; Sardinia; Italy; Sicily; Malta; Croatia; Montenegro; Albania; Greece (Kiklades, Thasos, Ionian Isl., SW-Peloponnisos, Limnos); Morocco [I]; Algeria [I]; Tunisia [I]; ?Libya [I]; Egypt (Desert Oases, Nile Delta, Nile Valley, NW-coastal Egypt); Cape Verde Isl. (Ilha de Maio, Ilha de Sao Tiago); Mauritania; Senegal; Guinea; Mali; Burkina Faso; Ivory Coast; Cameroon; Principe Isl.; São Tomé; S-Chad; Sudan; Ethiopia [I]; Zimbabwe [I]; Mozambique [I]; Madagascar; East Aegaean Isl. (Samos, Tilos, Rhodos); Turkey (S-Anatolia, SSW-Anatolia, SW-Anatolia); Cyprus (E-Cyprus); Lebanon (coastal W-Lebanon); Israel (coastal W-Israel); Sinai peninsula (N-Sinai); Saudi Arabia (Hejaz, Asir); Yemen
11 ger 12 BAL COR FRA SAR SPA 13 ALB CRO GRC ITA MLT MNT SIC 20 alg EGY mor tun 21 CVI 22 BKN GUI IVO MLI MTN SEN 23 CMN PRI SAO 24 CHA eth SUD 26 moz zim 29 MDG 34 CYP EAI ISR LEB SIN TUR 35 SAU YEM
species :
Ambrosia microcephala DC.; Prodr. [A. DC.] 5: 527 (1836)
Distribution: Surinam; French Guiana; N-Brazil (Pará); NE-Brazil (Maranhao, Piauí, Pernambuco)
82 FRG SUR 84 BRA
species :
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin; Madroño. 49: 143 (2002)
Name: Singlewhorl burrobrush
Distribution: USA (Arizona, California, New Mexico, Nevada, Texas); Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Chihuahua, Coahuila, Durango, Jalisco, Sinaloa, Sonora, Zacatecas)
76 USA 77 USA 79 MEX
Synonyms: hidden
= Hymenoclea monogyra Torr. & A.Gray; Emory, Mil. Reconnois. 143 (1848), et in Mem. Am. Acad. N. S. 4: 79 (1849)
species :
Ambrosia nivea (B.L.Rob. & Fernald) W.W.Payne; J. Arnold Arbor. 45: 426 (1964)
Distribution: Mexico (Chihuahua)
79 MEX
Synonyms: hidden
= Franseria nivea B.L.Rob. & Fernald; Proc. Amer. Acad. Arts 30: 117 (1895)
species :
Ambrosia pannosa W.W.Payne; Brittonia 18: 31 (1966)
Distribution: Peru
83 PER
species :
Ambrosia polystachya DC.; Prodr. [A. DC.] 5: 526 (1836)
Name: Reichährige Ambrosie (DE)
Distribution: Germany [I]; NE-Brazil; SE-Brazil (São Paulo); S-Brazil (Paraná, Rio Grande do Sul)
11 ger 84 BRA
Synonyms: hidden
= Ambrosia abrotanifolia Wall.; Numer. List: no. 3234 (1831)
= Ambrosia absynthyfolia Michx.; Fl. Bor.-Amer. 2: 183 (1803)
= Ambrosia heterophylla Muhl. ex Willd.; Sp. Pl. ed. 4. 4: 378 (1805)
= Ambrosia incisa F.Dietr.; Vollst. Lex. Gärtn. 1: 344 (1802)
= Ambrosia paniculata var. abrotanifolia O.E.Schulz; Symb. Antill. 7: 88 (1911)
= Ambrosia pusilla Raf. ex DC.; Prodr. [A. DC.] 5: 527 (1836)
= Ambrosia simplicifolia Raeusch.; Nomencl. Bot. Pl. Illustr., ed. 3, 274 (1797)
species :
Ambrosia porcheri P.D.McMillan & L.Prevost; Phytoneuron 2022-15: 1 (2022)
Distribution: USA (South Carolina)
78 USA
species :
Ambrosia psilostachya DC.; Prodr. [A. DC.] 5: 526 (1836)
Name: Stauden-Ambrosie, Ausdauernde Ambrosie (DE), Cuman ragweed (EN)
Distribution: England [I]; Denmark [I]; Norway [I]; Sweden [I]; Netherlands [I]; Belgium [I]; Luxembourg [I]; Germany [I]; Switzerland [I]; Poland [I]; Hungary [I]; Spain [I]; France [I]; Italy [I]; Slovenia [I]; Croatia [I]; Montenegro [I]; Romania [I]; N-Greece [I]; Estonia [I]; Latvia [I]; European Russia [I]; Ukraine [I]; Algeria [I]; South Africa [I] (widespread); Northern Caucasus [I]; Azerbaijan [I]; Taiwan [I]; Australia (Western Australia [I], South Australia [I], Queensland [I], New South Wales [I], Victoria [I]); Canada (Alberta, British Columbia, Manitoba, Nova Scotia, Ontario, Prince Edward Isl., Québec, Saskatchewan); USA (Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Louisiana, Massachusetts, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Washington State, Wisconsin, Wyoming); Mexico (Zacatecas, Sinaloa, Baja California Sur, Nuevo Leon, Queretaro, Coahuila, Hidalgo, Michoacan, México State, Puebla, Veracruz, Sonora, Durango, Chihuahua, Queretaro, etc.)
10 den grb nor swe 11 bgm ger hun lux net pol swi 12 fra spa 13 cro grc ita mnt rom slv 14 est lat rus ukr 20 alg 27 saf 33 aze ncs 38 tai 50 AUS 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA 79 MEX
Synonyms: hidden
= Ambrosia californica Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 20 (1922)
= Ambrosia coronopifolia Torr. & A.Gray; Fl. N. Amer. 2: 291 (1842)
= Ambrosia lindheimeriana Scheele; Linnaea 22: 156 (1849)
= Ambrosia peruviana DC.; Prodr. [A. DC.] 5: 526 (1836), nom. illeg.
= Ambrosia psilostachya var. californica (Rydb.) Blake; Contr. U.S. Natl. Herb. 25: 581 (1925)
= Ambrosia psilostachya var. californica (Rydb.) S.F.Blake; Contr. U.S. Natl. Herb. 25: 581 (1925)
= Ambrosia psilostachya var. coronopifolia (Torr. & A.Gray) Farw. ex Fernald; Manual (Gray), ed. 8. 1470 (1950)
= Ambrosia psilostachya var. lindheimeriana (Scheele) Blank.; Rep. (Annual) Missouri Bot. Gard. 18: 173 (1907)
= Ambrosia rugelii Rydb.; Britton et al. (eds.), N. Amer. Fl. 33: 19 (1922)
species :
Ambrosia pumila (Nutt.) A.Gray; Proc. Amer. Acad. Arts 17: 217 (1881-82)
Name: Dwarf bur ragweed
Distribution: USA (California); Mexico (Baja California Norte, Baja California Sur)
76 USA 79 MEX
Synonyms: hidden
= Franseria pumila Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 344 (1840)
= Hemiambrosia heterocephala Delpino; Studi Lign. Anemof.: 57 (1871), nom. superfl.
species :
Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin; Madroño. 49: 143 (2002)
Name: Burrobrush
Distribution: USA (Arizona, California); Mexico (Baja California Norte, Baja California Sur, Chihuahua, Sinaloa, Sonora)
76 USA 79 MEX
Synonyms: hidden
= Hymenoclea salsola Torr. & A.Gray; Emory, Mil. Reconnois. 142 (1848), et in Mem. Am. Acad. N. S. 4: 79 (1849)
= Hymenoclea salsola var. patula (A.Nelson) Peterson & W.W.Payne; Brittonia. 26(4): 397 (1974)
variant :
var. fasciculata (A.Nelson) Strother & B.G.Baldwin; Madroño 49(3): 143 (2002)
Distribution: USA (Arizona, California, Nevada, Utah)
76 USA
Synonyms: hidden
= Hymenoclea fasciculata A.Nelson; Bot. Gaz. 37: 270 (1904)
= Hymenoclea fasciculata var. patula A.Nelson; Bot. Gaz. 47: 431 (1909)
= Hymenoclea salsola var. fasciculata (Nelson) K.M.Peterson & W.W.Payne; Brittonia. 25(3): 255 (1973)
= Hymenoclea salsola var. patula (A.Nelson) K.M.Peterson & W.W.Payne; Brittonia 26: 397 (1974)
variant :
var. pentalepis (Rydb.) Strother & B.G.Baldwin; Madroño 49(3): 143 (2002)
Distribution: USA (Arizona, California, Nevada); Mexico (Sonora)
76 USA 79 MEX
Synonyms: hidden
= Hymenoclea pentalepis Rydb.; N. Am. Fl. 33: 14 (1922)
= Hymenoclea salsola var. pentalepis (Rydb.) L.D.Benson; Amer. J. Bot. 30: 631 (1943)
species :
Ambrosia sandersonii S.L.Welsh; Rhodora 95(883-884): 396 (1993)
Name: Sanderson´s burrobrush
Distribution: USA (Utah)
76 USA
Synonyms: hidden
= Hymenoclea sandersonii (S.L.Welsh) N.H.Holmgren; Intermount. Fl. [Cronquist et al.] 5: 473 (1994)
species :
Ambrosia scabra Hook. & Arn.; J. Bot. (Hooker) 3: 311 (1840)
Distribution: S-Brazil (Rio Grande do Sul, Santa Catarina); Argentina (Buenos Aires)
84 BRA 85 ARG
Synonyms: hidden
= Ambrosia scabra var. robusta Hook. & Arn.; J. Bot. (Hooker) 3: 311 (1841)
= Ambrosia scabra var. tenuior Hook. & Arn.; J. Bot. (Hooker) 3: 311 (1841)
species :
Ambrosia tenuifolia Spreng.; Syst. Veg. 3: 851 (1826)
Name: Slimleaf bur ragweed (EN), Schmalspaltige Ambrosie (DE)
Distribution: Germany [I]; Germany [I]; Spain [I]; Baleares [I] (Menorca [I]); France [I]; Italy [I]; Serbia; Kosovo [I]; South Africa [I] (E-Cape Prov. [I]); Mauritius [I]; La Réunion [I]; Turkey [I]; Israel [I]; Australia (South Australia [I], New South Wales [I], Victoria [I]); USA [I] (Louisiana [I]); Puerto Rico [I]; Bolivia (Beni, Chuquisaca); S-Brazil (Rio Grande do Sul, Santa Catarina); Paraguay (Central, Pres. Hayes); Uruguay (Canelones, Colonia, Florida Prov., Maldonado, Montevideo, Paysandu, Rivera, Rocha, Salta, San Jose); Argentina (Buenos Aires, Chaco, Chubut, Cordoba, Corrientes, Entre Rios, Formosa, Jujuy, La Pampa, La Rioja, Mendoza, Neuquen, Salta, Santiago del Estero, Santa Fe, San Luis, Tucuman); Chile (Biobío)
11 ger 12 bal fra spa 13 ita kos SRB 27 saf 29 mau reu 34 isr tur 50 AUS 78 usa 81 pue 83 BOL 84 BRA 85 ARG CLE PAR URU
Synonyms: hidden
= Ambrosia fruticosa DC.; Prodr. [A. DC.] 5: 525 (1836)
= Ambrosia longistylis Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 344 (1840)
= Ambrosia maritima Vell.; Fl. Flumin. 10: t. 26 (1829) non L. 1753
= Ambrosia simulans Shinners; Field & Lab. 17: 173 (1949)
= Franseria tenuifolia (Spreng.) Harv. & A.Gray; Mem. Amer. Acad. Arts, ser. 2, 4(1): 80 (1849)
= Xanthidium tenuifolium (Spreng.) Delpino; Studi sopra Artemis. 62 (1871)
species :
Ambrosia tomentosa Nutt.; Gen. Am. 2: 186 (1818)
Name: Skeletonleaf bur ragweed
Distribution: USA (Arizona, Colorado, Iowa, Idaho, Illinois, Kansas, Missouri, Montana, North Dakota, Nebraska, New Mexico, South Dakota, Texas, Utah, Wisconsin, Wyoming)
73 USA 74 USA 75 USA 76 USA 77 USA
Synonyms: hidden
= Franseria discolor Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 345 (1840)
= Franseria exigua Wawra; Itin. Princ. S. Coburgi 2: 41 (1888)
= Franseria tomentosa (Nutt.) A.Nelson; New Man. Bot. Centr. Rocky Mts. 542 (1909), non A. Gray
= Gaertneria discolor (Nutt.) Kuntze; Revis. Gen. Pl. 1: 339 (1891)
= Gaertneria tomentosa (Nutt.) A.Nelson; Bot. Gaz. 34: 34 (1902)
= Xanthidium discolor (Nutt.) Delpino; Studi sopra Artemis. 63 (1871)
species :
Ambrosia trifida L.; Sp. Pl. 987 (1753)
Name: Great ragweed (EN), Dreilappige Ambrosie (DE)
Distribution: England [I]; Northern Ireland [I]; Ireland [I]; Denmark [I]; Netherlands [I]; Belgium [I]; Luxembourg [I]; Germany [I]; Switzerland [I]; Austria [I]; Poland [I]; Slovakia [I]; Spain [I]; France [I]; Italy [I]; Slovenia [I]; Serbia; Kosovo [I]; Romania [I]; Estonia [I]; Latvia [I]; Lithuania [I]; Belarus [I]; European Russia [I]; W-European Russia [I] (Kaliningrad region [I]); Moldova [I]; Ukraine [I]; Russian Far East [I] (Primorye [I]); Northern Caucasus [I]; Georgia [Caucasus] [I]; Israel [I]; Jordania [I]; China [I] (Hebei [I], Heilongjiang [I], Hunan [I], Jiangxi [I], Jilin [I], Liaoning [I], Shandong [I], Sichuan [I], Zhejiang [I]); South Korea [I]; Canada (Alberta, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Isl., Québec, Saskatchewan); USA (Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington State, Wisconsin, West Virginia, Wyoming); Mexico (Chihuahua, Coahuila, Hidalgo, Queretaro, Sonora, Tamaulipas, Veracruz)
10 den grb ire 11 aut bgm ger lux net pol slo swi 12 fra spa 13 ita kos rom slv SRB 14 blr est lat lit mld rus ukr 31 rfe 33 geo ncs 34 isr jor 36 chi 38 kor 71 CDN 72 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA 79 MEX
Synonyms: hidden
= Ambrosia aptera DC.; Prodr. [A. DC.] 5: 527 (1836)
= Ambrosia integrifolia Muhl. ex Willd.; Sp. Pl. 3: 275 (1800)
= Ambrosia trifida f. integrifolia (Muhl.) Fernald; Rhodora 40: 347 (1938)
= Ambrosia trifida var. aptera (DC.) Kuntze; Revis. Gen. Pl. 1: 305 (1891)
= Ambrosia trifida var. heterophylla Kuntze; Revis. Gen. Pl. 1: 305 (1891)
= Ambrosia trifida var. integrifolia (Muhl. ex Willd.) Torr. & A.Gray; Fl. N. Amer. (Torr. & A. Gray) 2: 290 (1842)
= Ambrosia trifida var. polyploidea J.Rousseau; Naturaliste Canad. 71: 215 (1944)
variant :
var. texana Scheele; Linnaea 22: 156 (1849)
Name: Texan great ragweed
Distribution: USA (Arizona, Illinois, Kansas, Louisiana, Massachusetts, Missouri, Mississippi, New Mexico, Oklahoma, Texas)
74 USA 75 USA 76 USA 77 USA 78 USA
species :
Ambrosia velutina O.E.Schulz; Urb. Symb. Antill. 7: 88 (1911)
Distribution: Cuba; Dominican Republic; Haiti
81 CUB HIS
species :
Ambrosia ×helenae Rouleau; Natur. Canad. 71: 272 (1944)
Distribution: Canada (Ontario, Québec); USA (Arkansas, Iowa, Illinois, Michigan, New York, Ohio)
72 CDN 74 USA 75 USA 78 USA
Remarks: Ambrosia artemisiifolia var. elatior x trifida
species :
Ambrosia ×intergradiens W.H.Wagner; Rhodora 60: 191 (1958)
Distribution: USA (Michigan, North Carolina, Wisconsin)
74 USA 75 USA 78 USA
Remarks: Ambrosia artemisiifolia x psilostachya
species :
Ambrosia ×platyspina (Seaman) Strother & B.G.Baldwin; Madroño 49(3): 144 (2002)
Distribution: Mexico (Baja California Norte)
79 MEX
Synonyms: hidden
= Hymenoclea platyspina Seaman; Madrono, 23(3): 111 (1975)
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A complete, synonymic checklist of the Higher Plants of the World

Version 19.2 (April 17th, 2024)

Covering 354,696 accepted species,
8,644 hybrids, 47,758 accepted infraspecific taxa and 996,379 synonyms,
in total 1,407,477* 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 38,290 pictures of 15,532 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life