Id%Version%Family%Infra family%Hybrid genus%Genus%Infra genus%Rank%Authors%Basionym author%Publishing author%Full name without family and authors%Publication%Collation%Publication year full%Name status%Remarks%Basionym%Replaced synonym%Nomenclatural synonym%Distribution%Citation type
560993-1%1.4%Malvaceae%%N%Hibiscus%%spec.%Steud.%%Steud.%Hibiscus xanthium%Nomencl. Bot.  [Steudel], ed. 2.%1: 760%1840%%%%%%%unknown
564837-1%1.4%Malvaceae%%N%Urena%%spec.%Vell.%%Vell.%Urena xanthium%Fl. Flumin.%284%1829%%%%%%%unknown
11557-1%1.5%Asteraceae%%N%Xanthium%%gen.%L.%%L.%Xanthium%Sp. Pl.%2: 987%1753%%%%%%%unknown
125008-3%1.1.4.1%Asteraceae%%N%Xanthium%%gen.%L.%%L.%Xanthium%Gen. Pl., ed. 5 [Linnaeus]%%1754%%%%%%%unknown
260785-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium abyssinicum%Beitr. Bot. (Wallr.)%i. (1842) 230%1842%%%%%%%unknown
269199-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium acerosum%Pittonia%4(21): 63%1899%%%%%%North Dakota (North-Central U.S.A., Northern America)%tax. nov.
269200-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium acutilobum%Publ. Field Columb. Mus., Bot. Ser.%4: 6%1918%%%%%%Texas (South-Central U.S.A., Northern America)%tax. nov.
269201-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium acutum%Pittonia%4(21): 62%1899%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
269202-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium affine%Pittonia%4(21): 60%1899%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
260790-1%1.1.1.3.1.1%Asteraceae%%N%Xanthium%%spec.%(Widder) Scholz & Sukopp%(Widder)%Scholz & Sukopp%Xanthium albinum%Verh. Bot. Ver. Brandenb.%98-100: 47%1960%%%%%%%unknown
923985-1%1.6.1.1%Asteraceae%%N%Xanthium%%subsp.%(Holub) Dostál%(Holub)%Dostál%Xanthium albinum subsp. ripicola%Folia Mus. Rerum Nat. Bohemiae Occid., Bot.%21: 12 (1984):%1984%%%Asteraceae Xanthium ripicola Holub%%%%comb. nov.
260791-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium almerae%Bol. Soc. Aragonesa Ci. Nat.%15: 98%1916%%%%%%%unknown
260792-1%1.5%Asteraceae%%N%Xanthium%%spec.%Hook. & Arn.%%Hook. & Arn.%Xanthium ambrosioides%J. Bot. (Hooker)%3: 310%1841%%%%%%%unknown
260793-1%1.4%Asteraceae%%N%Xanthium%%spec.%Walter%%Walter%Xanthium americanum%Fl. Carol. [Walter]%231%1788%%%%%%%unknown
260794-1%1.4%Asteraceae%%N%Xanthium%%spec.%Boiss. & Heldr.%%Boiss. & Heldr.%Xanthium anatolicum%Diagn. Pl. Orient.%ser. 1, 11: 32, in nota%1849%%%%%%%unknown
260795-1%1.1.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Georgi%%Georgi%Xanthium annuum%Bemerk. Reise Russ. Reich%2: 713%1775%%%%%%%unknown
260796-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium antiquorum%Beitr. Bot. (Wallr.)%i. (1842) 229%1842%%%%%%%unknown
269203-2%1.4%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium arcuatum%Publ. Field Columb. Mus., Bot. Ser.%4: 4, pl. 2, 5%1918%%%%%%New York (Northeastern U.S.A., Northern America)%tax. nov.
260798-1%1.2%Asteraceae%%N%Xanthium%%spec.%Lasch%%Lasch%Xanthium arenarium%Bot. Zeitung (Berlin)%14: 411%1856%%%%%%%tax. nov.
269204-2%1.2%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium argenteum%Repert. Spec. Nov. Regni Veg. Beih.%20: 118%1923%%%%%%Chile%tax. nov.
269205-2%1.2%Asteraceae%%N%Xanthium%%spec.%H.St.John%%H.St.John%Xanthium aridum%Northw. Sci.%2, no. 3: 93, fig. 4%1928%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
260801-1%1.1.2.1.1.2.2.2.1.1%Asteraceae%%N%Xanthium%%spec.%Humb. & Bonpl. ex Wallr.%%Humb. & Bonpl. ex Wallr.%Xanthium armatum%Beitr. Bot. (Wallr.)%i. (1842) 242%1842%%%%%%%unknown
269206-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium australe%Publ. Field Columb. Mus., Bot. Ser.%4: 37, pl. 13%1919%%%%%%Mexico, Chile, Paraguay%tax. nov.
260803-1%1.5%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium barcinonense%Bull. Géogr. Bot.%24: 224%1914%%%%%%%unknown
260804-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium barcinonense%Bol. Soc. Aragonesa Ci. Nat.%15: 98%1916%%%%%%%unknown
260805-1%1.2.2.1.1.2.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium basilei%Bol. Soc. Aragonesa Ci. Nat.%11: 209%1912%%%%%%%unknown
260806-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium basilei%Bol. Soc. Aragonesa Ci. Nat.%15: 99%1916%%%%%%%unknown
260807-1%1.3.1.2%Asteraceae%%N%Xanthium%%spec.%P.Fourn.%%P.Fourn.%Xanthium × bitteri%Quatre Fl. France%925%1939%%%%%%%unknown
260808-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium brachyacanthum%Beitr. Bot. (Wallr.)%i. (1842) 244%1842%%%%%%%unknown
260809-1%1.4%Asteraceae%%N%Xanthium%%spec.%Vell.%%Vell.%Xanthium brasilicum%Fl. Flumin. Icon.%10: t. 23%1831%%%%%%%unknown
260810-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium brevirostre%Beitr. Bot. (Wallr.)%i. (1842) 235%1842%%%%%%%unknown
260811-1%1.1.2.1.1.2.2.1.1.4%Asteraceae%%N%Xanthium%%spec.%Hochst. ex A.Rich.%%Hochst. ex A.Rich.%Xanthium brevirostre%Tent. Fl. Abyss.%1: 405%1848%%%%%%%unknown
269208-2%1.2%Asteraceae%%N%Xanthium%%spec.%Bush%%Bush%Xanthium bubalocarpon%Rep. (Annual) Missouri Bot. Gard.%17: 123%1906%%%%%%Texas, Arkansas, United States of America (Northern America)%tax. nov.
290512-2%1.2%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium × bushii%Repert. Spec. Nov. Regni Veg. Beih.%20: 140%1923%%Xanthium inflexum X saccharatum%%%%%tax. nov.
260815-1%1.6%Asteraceae%%N%Xanthium%%spec.%Greene & Widder%%Greene & Widder%Xanthium californicum%Repert. Spec. Nov. Regni Veg. Beih.%20: 110, descr. emend.%1923%%%%%%%unknown
315889-2%1.4%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium californicum%Pittonia%4(21): 62%1899%%See Widder, Repert. Beih. 20: 110. 1923.%%%%United States of America (Northern America)%tax. nov.
269209-2%1.2%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium californicum var. oligacanthum%Repert. Spec. Nov. Regni Veg. Beih.%20: 113%1923%%%%%%%tax. nov.
269210-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium calvum%Publ. Field Columb. Mus., Bot. Ser.%4: 35, pl. 12%1919%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
269211-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium campestre%Pittonia%4(21): 61%1899%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
260818-1%1.1.2.1.1.4%Asteraceae%%N%Xanthium%%spec.%Mill.%%Mill.%Xanthium canadense%Gard. Dict., ed. 8.%n. 2%1768%%%%%%%unknown
260819-1%1.1.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Sabbat. ex Nyman%%Sabbat. ex Nyman%Xanthium canadense%Consp. Fl. Eur.%2: 475%1879%%%%%%%unknown
269213-2%1.3%Asteraceae%%N%Xanthium%%var.%(Murray) A.Gray%(Murray)%A.Gray%Xanthium canadense var. echinatum%Syn. Fl. N. Amer.%1, pt. 2: 252%1884%%%%%%%tax. nov.
269214-2%1.2%Asteraceae%%N%Xanthium%%var.%Crevecoeur ex C.Shull%%Crevecoeur ex C.Shull%Xanthium canadense var. globuliforme%Amer. J. Bot.%4: 42, figs. 1-3%1917%%%%%%Kansas (North-Central U.S.A., Northern America)%tax. nov.
269215-2%1.2.2.1.1.1%Asteraceae%%N%Xanthium%%var.%(Greene) Jeps.%(Greene)%Jeps.%Xanthium canadense var. palustre%Man. Fl. Pl. Calif. [Jepson]%1110%1925%%%%%%%tax. nov.
260820-1%1.5%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium canescens%Repert. Spec. Nov. Regni Veg. Beih.%20: 121%1923%%%%%%%unknown
260821-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium catalaunicum%Bol. Soc. Aragonesa Ci. Nat.%15: 99%1916%%%%%%%unknown
330070-2%1.3%Asteraceae%%N%Xanthium%%spec.%Kunth%%Kunth%Xanthium catharticum%Nov. Gen. Sp. [H.B.K.]%4:%1820%%%%%%Colombia, Chile, Argentina%tax. nov.
260823-1%1.1.2.1.4.3%Asteraceae%%N%Xanthium%%spec.%Schouw%%Schouw%Xanthium cavanillesii%Ind. Sem. Hort. Haun.%1849: 14%1849%%%%%%%unknown
269216-2%1.3%Asteraceae%%N%Xanthium%%var.%Widder ex Parodi%%Widder ex Parodi%Xanthium cavanillesii var. cordobense%Physis (Buenos Aires)%8: 475, fig. 3%1927%%%%%%Argentina%tax. nov.
269217-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium cenchroides%Publ. Field Columb. Mus., Bot. Ser.%4: 30%1919%%%%%%Texas (South-Central U.S.A., Northern America)%tax. nov.
269218-2%1.1.2.1.1.1%Asteraceae%%N%Xanthium%%spec.%Fernald%%Fernald%Xanthium chasei%Rhodora%48: 66, tab. 1013, fig. 1, tab. 1014%1946%%%%%%Illinois (North-Central U.S.A., Northern America)%tax. nov.
260826-1%1.1.2.1.1.4%Asteraceae%%N%Xanthium%%spec.%Mill.%%Mill.%Xanthium chinense%Gard. Dict., ed. 8.%n. 4%1768%%%%%%%unknown
269219-2%1.2%Asteraceae%%N%Xanthium%%var.%C.Shull%%C.Shull%Xanthium chinense var. globuliforme%Bot. Gaz.%83: 385%1927%%%%%%%tax. nov.
260827-1%1.5%Asteraceae%%N%Xanthium%%spec.%Costa ex Widder%%Costa ex Widder%Xanthium chrysacanthum%Repert. Spec. Nov. Regni Veg. Beih.%20: 121, in syn.%1923%%%%%%%unknown
960022-1%1.4%Asteraceae%%N%Xanthium%%spec.%D.Z.Ma%%D.Z.Ma%Xanthium cloessplateaum%Acta Bot. Boreal.-Occid. Sin.%11(4): 346 (1991)%1991%%%%%%China.%tax. nov.
269220-2%1.3%Asteraceae%%N%Xanthium%%spec.%Britton%%Britton%Xanthium commune%Man. Fl. N. States [Britton]%912%1901%%%%%%Quebec to New York, Kansas, Missouri and Arizona%tax. nov.
269221-2%1.3%Asteraceae%%N%Xanthium%%var.%Cockerell%%Cockerell%Xanthium commune var. wootonii%Proc. Biol. Soc. Washington%16: 9%1903%%%%%%New Mexico (South-Central U.S.A., Northern America)%tax. nov.
260829-1%1.3%Asteraceae%%N%Xanthium%%spec.%Stokes%%Stokes%Xanthium cordifolium%Bot. Mat. Med.%iv. 380%1812%%%%%%%unknown
269222-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium crassifolium%Publ. Field Columb. Mus., Bot. Ser.%4: 5, pl. 4, 5%1918%%%%%%Texas (South-Central U.S.A., Northern America)%tax. nov.
260831-1%1.1.2.2%Asteraceae%%N%Xanthium%%spec.%Moench%%Moench%Xanthium cuneatum%Suppl. Meth. (Moench)%300%1802%%%%%%%unknown
269223-2%1.3%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium curvescens%Publ. Field Columb. Mus., Bot. Ser.%4: 25, pl. 11%1919%%%%%%Vermont (Northeastern U.S.A., Northern America)%tax. nov.
269224-2%1.4%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium cylindricum%Publ. Field Columb. Mus., Bot. Ser.%4: 4, pl. 3, 5%1918%%%%%%North Carolina (Southeastern U.S.A., Northern America)%tax. nov.
269225-2%1.2%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium decalvatum%Repert. Spec. Nov. Regni Veg. Beih.%20: 72%1923%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
260835-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium discolor%Beitr. Bot. (Wallr.)%i. (1842) 232%1842%%%%%%%unknown
260836-1%1.5%Asteraceae%%N%Xanthium%%spec.%Murray%%Murray%Xanthium echinatum%Commentat. Soc. Regiae Sci. Gott.%6: 32, t. 4%1785%%%%%%%unknown
954337-1%1.3.1.3%Asteraceae%%N%Xanthium%%var.%(Schouw) O.Bolòs & Vigo%(Schouw)%O.Bolòs & Vigo%Xanthium echinatum var. cavanillesii%Collect. Bot. (Barcelona)%17(1): 90%1988%%%Asteraceae Xanthium cavanillesii Schouw%%%%comb. nov.
954335-1%1.3.1.3%Asteraceae%%N%Xanthium%%subsp.%(Moretti) O.Bolòs & Vigo%(Moretti)%O.Bolòs & Vigo%Xanthium echinatum subsp. italicum%Collect. Bot. (Barcelona)%17(1): 90%1988%%%Asteraceae Xanthium italicum Moretti%%%%comb. nov.
954336-1%1.3.1.3%Asteraceae%%N%Xanthium%%var.%(Moretti) O.Bolòs & Vigo%(Moretti)%O.Bolòs & Vigo%Xanthium echinatum var. italicum%Collect. Bot. (Barcelona)%17(1): 90%1988%%%Asteraceae Xanthium italicum Moretti%%%%comb. nov.
60438184-2%1.1.2.1%Asteraceae%%N%Xanthium%%spec.%Greene ex Rydb.%%Greene ex Rydb.%Xanthium echinellum%Man. S.E. Fl. [Small]%1302 (-1303)%1933%%%%%%Mississippi (Southeastern U.S.A., Northern America)%tax. nov.
260837-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium eriocarpon%Beitr. Bot. (Wallr.)%i. (1842) 242%1842%%%%%%%unknown
260838-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium faurae%Bol. Soc. Aragonesa Ci. Nat.%15: 98%1916%%%%%%%unknown
260839-1%1.3%Asteraceae%%N%Xanthium%%spec.%L.f.%%L.f.%Xanthium fruticosum%Suppl. Pl.%418%1782%%%%%%%unknown
260840-1%1.1.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Jord. & Fourr.%%Jord. & Fourr.%Xanthium fuscescens%Brev. Pl. Nov.%i. 36%1866%%%%%%%unknown
269227-2%1.3%Asteraceae%%N%Xanthium%%spec.%Britton%%Britton%Xanthium glabratum%Man. Fl. N. States [Britton]%912%1901%%%%%%%tax. nov.
269228-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium glanduliferum%Pittonia%4(21): 61%1899%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
269229-2%1.4%Asteraceae%%N%Xanthium%%spec.%C.Shull%%C.Shull%Xanthium globosum%Bot. Gaz.%59: 482, fig. 1, 4-7%1915%nom. inval.    Art.36.1(Melbourne Code, 2012)%provisional name%%%%Kentucky (Southeastern U.S.A., Northern America)%tax. nov.
260844-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium hispanicum%Bol. Soc. Aragonesa Ci. Nat.%15: 99%1916%%%%%%%unknown
260845-1%1.4%Asteraceae%%N%Xanthium%%spec.%Spreng.%%Spreng.%Xanthium homothalamum%Neue Entdeck. Pflanzenk.%1: 259%1820%%%%%%%unknown
260846-1%1.3%Asteraceae%%N%Xanthium%%spec.%Heynh.%%Heynh.%Xanthium humile%Nomencl. Bot. Hort.%2: 858 (Quid ?).%1841%%%%%%%unknown
260847-1%1.5%Asteraceae%%N%Xanthium%%spec.%DC.%%DC.%Xanthium inaequilaterum%Prodr. [A. P. de Candolle]%5: 523%1836%%%%%%%unknown
260848-1%1.1.2.2.1.3%Asteraceae%%N%Xanthium%%spec.%J.Koenig ex Roxb.%%J.Koenig ex Roxb.%Xanthium indicum%Hort. Bengal.%67%1814%%%%%%%unknown
77126265-1%1.4%Asteraceae%%N%Xanthium%%var.%(DC.) Miq.%(DC.)%Miq.%Xanthium indicum var. inaequilaterum%Fl. Ned. Ind.%2: 68%1856%%%Asteraceae Xanthium inaequilaterum DC.%%%%comb. nov.
260850-1%1.7%Asteraceae%%N%Xanthium%%spec.%Mack., Bush & Widder%%Mack., Bush & Widder%Xanthium inflexum%Repert. Spec. Nov. Regni Veg. Beih.%20: 70, descr. emend.%1923%%%%%%%unknown
269230-2%1.3%Asteraceae%%N%Xanthium%%spec.%Mack. & Bush%%Mack. & Bush%Xanthium inflexum%Rep. (Annual) Missouri Bot. Gard.%16: 106%1905%%%%%%Missouri (North-Central U.S.A., Northern America)%tax. nov.
260851-1%1.4.1.2%Asteraceae%%N%Xanthium%%spec.%Cuatrec.%%Cuatrec.%Xanthium intermedium%Trab. Mus. Ci. Nat. Barcelona%12: 449%1929%%%%%%%unknown
260852-1%1.5%Asteraceae%%N%Xanthium%%spec.%Moretti%%Moretti%Xanthium italicum%Giorn. Fis. Chim. Storia Nat. Med. Arti%Dec. 2, 5: 326%1822%%%%%%%unknown
50426527-2%1.1%Asteraceae%%N%Xanthium%%subsp.%Čelak.%%Čelak.%Xanthium italicum subsp. riparium%Prodr. Fl. Böhmen%186 (1871)%1871%%%%%%%nom. nov.
260853-1%1.5%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium japonicum%Repert. Spec. Nov. Regni Veg. Beih.%20: 31%1923%%%%%%%unknown
260854-1%1.1.2.1.1.1.2.2.1.1%Asteraceae%%N%Xanthium%%spec.%Muhl. ex Wallr.%%Muhl. ex Wallr.%Xanthium laevigatum%Beitr. Bot. (Wallr.)%i. (1842) 231%1842%%%%%%%unknown
269231-2%1.4%Asteraceae%%N%Xanthium%%spec.%Millsp. & Sherff%%Millsp. & Sherff%Xanthium leptocarpum%Publ. Field Columb. Mus., Bot. Ser.%4: 3, pl. 1, 5%1918%%%%%%Vermont (Northeastern U.S.A., Northern America)%tax. nov.
260856-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium longirostre%Beitr. Bot. (Wallr.)%i. (1842) 237%1842%%%%%%%unknown
269232-2%1.2%Asteraceae%%N%Xanthium%%spec.%Britton%%Britton%Xanthium macounii%Man. Fl. N. States [Britton]%913%1901%%%%%%Manitoba (Western Canada, Northern America)%tax. nov.
260858-1%1.4%Asteraceae%%N%Xanthium%%spec.%DC.%%DC.%Xanthium macrocarpum%Fl. Franc. [de Candolle & Lamarck], ed. 3.%6: 356%1815%%%%%%%unknown
269234-2%1.4%Asteraceae%%N%Xanthium%%var.%DC.%%DC.%Xanthium macrocarpum var. glabratum%Prodr. [A. P. de Candolle]%5: 523%1836%%%%%%Carolina, United States of America (Northern America)%tax. nov.
77126286-1%1.1%Asteraceae%%N%Xanthium%%var.%(Moretti) Nyman%(Moretti)%Nyman%Xanthium macrocarpum var. italicum%Consp. Fl. Eur.%2: 475%1879%%%Asteraceae Xanthium italicum Moretti%%%%comb. nov.
260859-1%1.2.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Raf.%%Raf.%Xanthium maculatum%Amer. Monthly Mag. & Crit. Rev.%2(5): 344%1818%%%%%%%unknown
260860-1%1.4%Asteraceae%%N%Xanthium%%spec.%Nossotovsky%%Nossotovsky%Xanthium medium%Bull. Jard. Bot. Petersb.%14: 454%1914%%%%%%%unknown
260861-1%1.4%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium microcarpum%Diagn. Nouv.%44%1936%%%%%%%unknown
260862-1%1.3%Asteraceae%%N%Xanthium%%spec.%Kitag.%%Kitag.%Xanthium mongolicum%Rep. Exped. Manchoukuo Sect. IV, Pt. 4, Index Fl. Jeholensis%97%1936%%%%%%%unknown
260863-1%1.3%Asteraceae%%N%Xanthium%%spec.%Gilib.%%Gilib.%Xanthium monoicum%Fl. Lit. Inch.%i. 170%1782%%%%%%%unknown
269235-2%1.1.1.2%Asteraceae%%N%Xanthium%%spec.%Larrañaga%%Larrañaga%Xanthium multifidum%Escritos Damaso Antonio Larranaga%1: 28, pl. 117%1922%%%%%%Argentina%tax. nov.
260865-1%1.6%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium natalense%Repert. Spec. Nov. Regni Veg.%41: 274%1937%%%%%%%unknown
260866-1%1.7%Asteraceae%%N%Xanthium%%spec.%Ces., Pass. & Gibelli%%Ces., Pass. & Gibelli%Xanthium nigri%Comp. Fl. Ital. [Cesati]%2(19): 437%1877%%%%%%%unknown
260867-1%1.1.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Jord. & Fourr.%%Jord. & Fourr.%Xanthium numidicum%Brev. Pl. Nov.%i. 37%1866%%%%%%%unknown
260868-1%1.1.1.3%Asteraceae%%N%Xanthium%%spec.%Bertol.%%Bertol.%Xanthium occidentale%Lucubr. Re Herb.%38%1822%%%%%%%unknown
269236-2%1.1.2.1.1.1%Asteraceae%%N%Xanthium%%spec.%Piper%%Piper%Xanthium oligacanthum%Contr. U.S. Natl. Herb.%11: 551%1906%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
260870-1%1.5%Asteraceae%%N%Xanthium%%spec.%Cav.%%Cav.%Xanthium orientale%Icon. [Cavanilles]%3(1): 11, t. 221%1795%%%%%%%unknown
260872-1%1.7%Asteraceae%%N%Xanthium%%spec.%L.%%L.%Xanthium orientale%Sp. Pl., ed. 2.%2: 1400%1763%%%%%%%unknown
878544-1%1.6%Asteraceae%%N%Xanthium%%var.%(Widder) Adema & M.T.Jansen%(Widder)%Adema & M.T.Jansen%Xanthium orientale var. albinum%Gorteria%9(9): 302%1979%%%%%%%unknown
50426518-2%1.1%Asteraceae%%N%Xanthium%%subsp.%(Greene) Greuter%(Greene)%Greuter%Xanthium orientale subsp. californicum%Willdenowia%33(2): 249 (22 Dec. 2003)%2003%%%Asteraceae Xanthium californicum Greene%%%%comb. nov.
50426519-2%1.1%Asteraceae%%N%Xanthium%%subsp.%(Moretti) Greuter%(Moretti)%Greuter%Xanthium orientale subsp. italicum%Willdenowia%33(2): 249 (22 Dec. 2003)%2003%%%Asteraceae Xanthium italicum Moretti%%%%comb. nov.
77301809-1%1.2%Asteraceae%%N%Xanthium%%var.%(Moretti) M.Hassl.%(Moretti)%M.Hassl.%Xanthium orientale var. italicum%Fl. German. [M. Hassler & T. Muer]%1675%2022%%%Asteraceae Xanthium italicum Moretti%%%%comb. et stat. nov.
269237-2%1.3%Asteraceae%%N%Xanthium%%var.%Reiche%%Reiche%Xanthium orientale var. macrocarpum%Anales Univ. Chile%112: 132%1903%%%%%%%tax. nov.
50426528-2%1.1%Asteraceae%%N%Xanthium%%subsp.%(Čelak.) Greuter%(Čelak.)%Greuter%Xanthium orientale subsp. riparium%Willdenowia%33(2): 249 (22 Dec. 2003)%2003%%%Asteraceae Xanthium italicum Moretti subsp. riparium Čelak.%%%%comb. nov.
878545-1%1.5%Asteraceae%%N%Xanthium%%var.%(Itz. & Hertsch) Adema & M.T.Jansen%(Itz. & Hertsch)%Adema & M.T.Jansen%Xanthium orientale var. riparium%Gorteria%9(9): 303%1979%%%%%%%unknown
77118984-1%1.2%Asteraceae%%N%Xanthium%%subsp.%(Wallr.) B.Bock%(Wallr.)%B.Bock%Xanthium orientale subsp. saccharatum%Bull. Soc. Bot. Centre-Ouest%42: 274%2012%%%Asteraceae Xanthium saccharatum Wallr.%%%%comb. nov.
77301810-1%1.1%Asteraceae%%N%Xanthium%%var.%(Wallr.) M.Hassl.%(Wallr.)%M.Hassl.%Xanthium orientale var. saccharatum%Fl. German. [M. Hassler & T. Muer]%1675%2022%%%Asteraceae Xanthium saccharatum Wallr.%%%%comb. et stat. nov.
260873-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium oviforme%Beitr. Bot. (Wallr.)%i. (1842) 240%1842%%%%%%%unknown
269238-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium palustre%Pittonia%4(21): 63%1899%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
290510-2%1.4%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium × parodii%Beih. Bot. Centralbl., Abt. 1.%54 Abt. A: 338%1935%%Xanthium spinosum var. spinosum X var. pseudinerme%%%%%tax. nov.
260876-1%1.5%Asteraceae%%N%Xanthium%%spec.%DC.%%DC.%Xanthium parvifolium%Prodr. [A. P. de Candolle]%5: 524%1836%%%%%%%unknown
269240-2%1.3%Asteraceae%%N%Xanthium%%var.%Sherff & C.Shull%%Sherff & C.Shull%Xanthium pennsylvanicum var. laciniatum%Bot. Gaz.%92: 208%1931%%%%%%Kansas (North-Central U.S.A., Northern America)%tax. nov.
260877-1%1.1.2.1.1.2.2.1%Asteraceae%%N%Xanthium%%spec.%Gand.%%Gand.%Xanthium pensylvanicum%Bull. Soc. Bot. France%65: 54%1918%nom. illeg. later homonym    non%%%%%United States of America (Northern America)%tax. nov.
260878-1%1.2.2.2.1.1.2.1%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium pensylvanicum%Beitr. Bot. (Wallr.)%1: 236%1842%%%%%%Pennsylvania (Northeastern U.S.A., Northern America)%tax. nov.
269239-2%1.3%Asteraceae%%N%Xanthium%%spec.%Gand.%%Gand.%Xanthium pensylvanicum%Bull. Soc. Bot. France%65: 54%1918%%%%%%Pennsylvania, Delaware, United States of America (Northern America)%tax. nov.
260879-1%1.2.2.2.1.1%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium pungens%Beitr. Bot. (Wallr.)%i. (1842) 231%1842%%%%%%%unknown
269241-2%1.2%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium pungens var. denudatum%Repert. Spec. Nov. Regni Veg. Beih.%20: 69%1923%%%%%%Kansas (North-Central U.S.A., Northern America)%tax. nov.
269242-2%1.2%Asteraceae%%N%Xanthium%%var.%C.Shull%%C.Shull%Xanthium pungens var. globuliforme%Bot. Gaz.%83: 385%1927%%%%%%%tax. nov.
260880-1%1.1.2.1.1.2%Asteraceae%%N%Xanthium%%spec.%Jord. & Fourr.%%Jord. & Fourr.%Xanthium revelieri%Brev. Pl. Nov.%i. 36%1866%%%%%%%unknown
260881-1%1.1.2.1%Asteraceae%%N%Xanthium%%spec.%Lasch%%Lasch%Xanthium riparium%Bot. Zeitung (Berlin)%14: 412 (1856)%1856%%%%%%%tax. nov.
50426526-2%1.1.2.1%Asteraceae%%N%Xanthium%%spec.%Itzigs. & Hertsch%%Itzigs. & Hertsch%Xanthium riparium%Bot. Zeitung (Berlin)%12: 34 (1854)%1854%%%%%%Germany (Middle Europe, Europe)%tax. nov.
77315597-1%1.1.1.1%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium riparium var. albinum%Repert. Spec. Nov. Regni Veg. Beih.%20: 105%1923%%%%%%%tax. nov.
260882-1%1.1.2.1%Asteraceae%%N%Xanthium%%spec.%Holub%%Holub%Xanthium ripicola%Folia Geobot. Phytotax.%11(1): 83 (1976)%1976%%%%%%%nom. nov.
260883-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium roxburghii%Beitr. Bot. (Wallr.)%i. (1842) 233%1842%%%%%%%unknown
260884-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium saccharatum%Beitr. Bot. (Wallr.)%i. (1842) 238%1842%%%%%%%unknown
260885-1%1.6%Asteraceae%%N%Xanthium%%spec.%Wallr. & Widder%%Wallr. & Widder%Xanthium saccharatum%Repert. Spec. Nov. Regni Veg. Beih.%20: 86, descr. emend.%1923%%%%%%%unknown
269243-2%1.2%Asteraceae%%N%Xanthium%%subsp.%Widder%%Widder%Xanthium saccharatum subsp. aciculare%Repert. Spec. Nov. Regni Veg.%21: 286%1925%%%%%%North America%tax. nov.
269244-2%1.2%Asteraceae%%N%Xanthium%%subsp.%Widder%%Widder%Xanthium saccharatum subsp. commune%Repert. Spec. Nov. Regni Veg.%21: 286%1925%%%%%%%tax. nov.
269245-2%1.2%Asteraceae%%N%Xanthium%%subsp.%Widder%%Widder%Xanthium saccharatum subsp. eusaccharatum%Repert. Spec. Nov. Regni Veg.%21: 285%1925%%%%%%North America%tax. nov.
269246-2%1.2%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium saccharatum var. silphiifolium%Repert. Spec. Nov. Regni Veg. Beih.%20: 93%1923%%%%%%%tax. nov.
269247-2%1.2%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium saccharatum var. speciosum%Repert. Spec. Nov. Regni Veg. Beih.%20: 93%1923%%%%%%%tax. nov.
1059046-2%1.2.1.1%Asteraceae%%N%Xanthium%%mut.%(Cockerell) Widder%(Cockerell)%Widder%Xanthium saccharatum mut. wootonii%Repert. Spec. Nov. Regni Veg. Beih.%20: 179%1923%%%Asteraceae Xanthium wootonii Cockerell%%%%stat. nov.
269248-2%1.3%Asteraceae%%N%Xanthium%%var.%Widder%%Widder%Xanthium saccharatum var. wootonii%Repert. Spec. Nov. Regni Veg. Beih.%20: 93%1923%%%%%%%tax. nov.
260886-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium sallentii%Bol. Soc. Aragonesa Ci. Nat.%15: 98%1916%%%%%%%unknown
290509-2%1.2%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium × shullii%Repert. Spec. Nov. Regni Veg. Beih.%20: 139%1923%%Xanthium pungens X saccharatum%%%%%tax. nov.
260888-1%1.7%Asteraceae%%N%Xanthium%%spec.%Patrin ex Widder%%Patrin ex Widder%Xanthium sibiricum%Repert. Spec. Nov. Regni Veg. Beih.%20: 32%1923%%%%%%%tax. nov.
1020829-1%1.6%Asteraceae%%N%Xanthium%%var.%H.G.Hou & Y.T.Lu%%H.G.Hou & Y.T.Lu%Xanthium sibiricum var. jingyuanense%Bull. Bot. Res., Harbin%20(3): 249%2000%%%%%%China North-Central (Gansu).%tax. nov.
77181267-1%1.1%Asteraceae%%N%Xanthium%%var.%%%%Xanthium sibiricum var. subinerme%Repert. Spec. Nov. Regni Veg. Beih.%20: 36%1923%%%%%%%tax. nov.
269249-2%1.4%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium silphiifolium%Pittonia%4(21): 60%1899%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
269250-2%1.4%Asteraceae%%N%Xanthium%%spec.%Kearney%%Kearney%Xanthium speciosum%Bull. Torrey Bot. Club%24(12): 574%1897%%%%%%Tennessee (Southeastern U.S.A., Northern America)%tax. nov.
260891-1%1.1.2.1.1.5%Asteraceae%%N%Xanthium%%spec.%Salzm. ex Ball%%Salzm. ex Ball%Xanthium sphaerocephalum%J. Linn. Soc., Bot.%16: 503%1878%%%%%%%unknown
260892-1%1.2.1.3%Asteraceae%%N%Xanthium%%spec.%L.%%L.%Xanthium spinosum%Sp. Pl.%2: 987%1753%%%%%%%unknown
269251-2%1.4%Asteraceae%%N%Xanthium%%var.%DC.%%DC.%Xanthium spinosum var. brachyacanthum%Prodr. [A. P. de Candolle]%5: 523%1836%%%%%%Brazil (Southern America)%tax. nov.
77181669-1%1.1%Asteraceae%%N%Xanthium%%subspec.%(Kunth) D.Love%(Kunth)%D.Love%Xanthium spinosum subspec. catharticum%Lagascalia%5(1): 64%1975%%%%%%%comb. nov.
50957420-1%1.2%Asteraceae%%N%Xanthium%%var.%Bel%%Bel%Xanthium spinosum var. inerme%Rev. Bot. Bull. Mens.%11: 481 (-482).%1893%%%%%%%tax. nov.
954333-1%1.4.1.3%Asteraceae%%N%Xanthium%%f.%(Bel) O.Bolòs & Vigo%(Bel)%O.Bolòs & Vigo%Xanthium spinosum f. inerme%Collect. Bot. (Barcelona)%17(1): 90%1988%%%Asteraceae Xanthium spinosum L. var. inerme Bel%%%%comb. nov.
1148606-2%1.2%Asteraceae%%N%Xanthium%%var.%Thell.%%Thell.%Xanthium spinosum var. laciniatum%%%%%%%%%%unknown
269252-2%1.4%Asteraceae%%N%Xanthium%%f.%Scheuerm. & Thell. ex Widder%%Scheuerm. & Thell. ex Widder%Xanthium spinosum f. laciniatum%Repert. Spec. Nov. Regni Veg. Beih.%20: 135%1923%%%%%%France & [Uruguay]%tax. nov.
269253-2%1.3%Asteraceae%%N%Xanthium%%var.%Widder ex Parodi%%Widder ex Parodi%Xanthium spinosum var. pseudinerme%Physis (Buenos Aires)%8: 480%1927%%%%%%Argentina%tax. nov.
287249-2%1.4%Asteraceae%%N%Xanthium%%f.%Widder%%Widder%Xanthium spinosum f. typicum%Beih. Bot. Centralbl., Abt. 1.%54 Abt. A: 337%1935%%%%%%%tax. nov.
260893-1%1.2.1.3%Asteraceae%%N%Xanthium%%spec.%L.%%L.%Xanthium strumarium%Sp. Pl.%2: 987%1753%%%%%%%unknown
260894-1%1.4%Asteraceae%%N%Xanthium%%spec.%Elliott%%Elliott%Xanthium strumarium%Sketch Bot. S. Carolina [Elliott]%2: 479%1823%%%%%%%unknown
269254-2%1.8%Asteraceae%%N%Xanthium%%var.%(Vell.) Baker%(Vell.)%Baker%Xanthium strumarium var. brasilicum%Fl. Bras. (Martius)%6(3): 147%1884%%%%%%%tax. nov.
954334-1%1.1.2.1.1.3.1.3%Asteraceae%%N%Xanthium%%subsp.%(Vell.) O.Bolòs & Vigo%(Vell.)%O.Bolòs & Vigo%Xanthium strumarium subsp. brasilicum%Collect. Bot. (Barcelona)%17(1): 90%1988%%%Asteraceae Xanthium brasilicum Vell.%%%%comb. nov.
269255-2%1.6%Asteraceae%%N%Xanthium%%var.%(Mill.) Torr. & A.Gray%(Mill.)%Torr. & A.Gray%Xanthium strumarium var. canadense%Fl. N. Amer. (Torr. & A. Gray)%2(2): 294%1842%%%%%%%tax. nov.
269256-2%1.5%Asteraceae%%N%Xanthium%%var.%Kuntze%%Kuntze%Xanthium strumarium var. echinatum%Revis. Gen. Pl.%1: 373%1891%%%%%%%tax. nov.
269257-2%1.3%Asteraceae%%N%Xanthium%%var.%(Murray) A.Gray%(Murray)%A.Gray%Xanthium strumarium var. echinatum%Manual (Gray), ed. 2.%213%1856%%%%%%%tax. nov.
269258-2%1.3%Asteraceae%%N%Xanthium%%var.%(DC.) Cronquist%(DC.)%Cronquist%Xanthium strumarium var. glabratum%Rhodora%47: 403%1945%%%%%%%tax. nov.
878546-1%1.2.2.1.1.3%Asteraceae%%N%Xanthium%%subsp.%(Moretti) D.Löve%(Moretti)%D.Löve%Xanthium strumarium subsp. italicum%Bot. J. Linn. Soc.%71(4): 271%1976%%%%%%%unknown
919171-1%1.1.2.2.1.3.1.1%Asteraceae%%N%Xanthium%%f.%Priszter%%Priszter%Xanthium strumarium f. purpurascens%Magyar Fl. Veg.%7: 58 (1985)%1985%%%%%%Hungary.%tax. nov.
50426520-2%1.1%Asteraceae%%N%Xanthium%%subsp.%(Widder) Greuter%(Widder)%Greuter%Xanthium strumarium subsp. sibiricum%Willdenowia%33(2): 249 (22 Dec. 2003)%2003%%%Asteraceae Xanthium sibiricum Patrin ex Widder%%%%comb. nov.
920415-1%1.1.2.1.1.6%Asteraceae%%N%Xanthium%%var.%(Cockerell) W.C.Martin & C.R.Hutchins%(Cockerell)%W.C.Martin & C.R.Hutchins%Xanthium strumarium var. wootonii%Fl. New Mexico%2: 2041 (1981), without basionym ref.%1981%%%Asteraceae Xanthium commune Britton var. wootonii%%%%comb. nov.
269259-2%1.3%Asteraceae%%N%Xanthium%%spec.%Greene%%Greene%Xanthium varians%Pittonia%4(21): 59%1899%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
260896-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium vayredae%Bol. Soc. Aragonesa Ci. Nat.%4: 324%1905%%%%%%%unknown
260897-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium vayredae%Bol. Soc. Aragonesa Ci. Nat.%11: 208%1912%%%%%%%unknown
260898-1%1.3%Asteraceae%%N%Xanthium%%spec.%Lam.%%Lam.%Xanthium vulgare%Fl. Franç. (Lamarck)%2: 56%1779%%%%%%%unknown
260899-1%1.3.1.2%Asteraceae%%N%Xanthium%%spec.%Widder%%Widder%Xanthium wallrothii%Repert. Spec. Nov. Regni Veg.%21: 302, hybr.%1925%%%%%%%unknown
260900-1%1.4.1.1%Asteraceae%%N%Xanthium%%spec.%Sennen%%Sennen%Xanthium widderi%Bol. Soc. Aragonesa Ci. Nat.%15: 99%1916%%%%%%%unknown
260901-1%1.4%Asteraceae%%N%Xanthium%%spec.%Auct.%%Auct.%Xanthium wootonii%Proc. Biol. Soc. Washington%16(Index): 187%1904%%%%%%%unknown
260902-1%1.4.1.2%Asteraceae%%N%Xanthium%%spec.%Cockerell ex De Vries%%Cockerell ex De Vries%Xanthium wootonii%Species and Varieties%140%1905%%%%%%%unknown
269260-2%1.4%Asteraceae%%N%Xanthium%%spec.%Cockerell%%Cockerell%Xanthium wootonii%Science%n. ser. 42: 870%1915%%%%%%%tax. nov.
260903-1%1.2.2.2%Asteraceae%%N%Xanthium%%spec.%Wallr.%%Wallr.%Xanthium xanthocarpum%Beitr. Bot. (Wallr.)%i. (1842) 241%1842%%%%%%%unknown