| Xanthium abyssinicum Wallr. |
Synonym |
 |
TICA |
| Xanthium acerosum Greene |
Unresolved |
 |
TICA |
| Xanthium acutilobum Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium acutum Greene |
Unresolved |
 |
TICA |
| Xanthium affine Greene |
Unresolved |
 |
TICA |
| Xanthium albinum (Widd.) H.Scholz |
Unresolved |
 |
TICA |
| Xanthium albinum (Widder) |
Synonym |
 |
TICA |
| Xanthium almerae Sennen |
Unresolved |
 |
TICA |
| Xanthium ambrosioides Hook. & Arn. |
Accepted |
 |
TICA |
| Xanthium americanum Walter |
Synonym |
 |
TICA |
| Xanthium anatolicum Boiss. & Heldr. |
Unresolved |
 |
TICA |
| Xanthium annuum Georgi |
Unresolved |
 |
TICA |
| Xanthium antiquorum Wallr. |
Synonym |
 |
TICA |
| Xanthium arcuatum Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium arenarium Lasch |
Synonym |
 |
TICA |
| Xanthium argenteum Widder |
Accepted |
 |
TICA |
| Xanthium aridum |
Unresolved |
 |
TICA |
| Xanthium armatum Humb. & Bonpl. ex Wallr. |
Unresolved |
 |
TICA |
| Xanthium artemisioides (Willd.) Delpino |
Synonym |
 |
TICA |
| Xanthium australe Millsp. & Sherff |
Synonym |
 |
TICA |
| Xanthium barcinonense Sennen |
Unresolved |
 |
TICA |
| Xanthium basilei Sennen |
Unresolved |
 |
TICA |
| Xanthium × bitteri P.Fourn. |
Unresolved |
 |
TICA |
| Xanthium brachyacanthum Wallr. |
Unresolved |
 |
TICA |
| Xanthium brasilicum Vell. |
Synonym |
 |
TICA |
| Xanthium brevirostre Hochst. [Invalid] |
Synonym |
 |
TICA |
| Xanthium brevirostre Hochst. ex A.Rich. |
Unresolved |
 |
TICA |
| Xanthium brevirostre Wallr. |
Unresolved |
 |
TICA |
| Xanthium bubalocarpon Bush |
Unresolved |
 |
TICA |
| Xanthium × bushii Widder |
Unresolved |
 |
TICA |
| Xanthium californicum Greene |
Synonym |
 |
TICA |
| Xanthium calvum Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium campestre Greene |
Unresolved |
 |
TICA |
| Xanthium canadense sabbat. ex Nyman |
Unresolved |
 |
TICA |
| Xanthium canadense Mill. |
Synonym |
 |
TICA |
| Xanthium canescens Widder |
Unresolved |
 |
TICA |
| Xanthium catalaunicum Sennen |
Unresolved |
 |
TICA |
| Xanthium catharticum Kunth |
Synonym |
 |
TICA |
| Xanthium cavallinesii |
Unresolved |
 |
TICA |
| Xanthium cavanillesii Schouw |
Accepted |
 |
TICA |
| Xanthium cavanillesii Schouw ex Didr. |
Unresolved |
 |
TICA |
| Xanthium cavanillesii var. cordobense Widder |
Synonym |
 |
TICA |
| Xanthium cenchroides Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium chasei Fernald |
Synonym |
 |
TICA |
| Xanthium chinense Mill. |
Synonym |
 |
TICA |
| Xanthium chinese |
Synonym |
 |
TICA |
| Xanthium chrysacanthum Costa ex Widder |
Unresolved |
 |
TICA |
| Xanthium cloessplateaum D.Z.Ma |
Accepted |
 |
TICA |
| Xanthium commune Britton |
Unresolved |
 |
TICA |
| Xanthium cordifolium Stokes |
Unresolved |
 |
TICA |
| Xanthium crassifolium Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium cuneatum Moench |
Unresolved |
 |
TICA |
| Xanthium curvescens Millsp. & Sherff |
Synonym |
 |
TICA |
| Xanthium cylindraceum Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium cylindricum Millsp. & Sherff |
Synonym |
 |
TICA |
| Xanthium decalvatum Widder |
Unresolved |
 |
TICA |
| Xanthium discolor Wallr. |
Unresolved |
 |
TICA |
| Xanthium echinatum Murray |
Accepted |
 |
TICA |
| Xanthium echinatum var. cavanillesii (Schouw) O.Bolòs & Vigo |
Synonym |
 |
TICA |
| Xanthium echinatum subsp. italicum (Moretti) O.Bolòs & Vigo |
Synonym |
 |
TICA |
| Xanthium echinellum Greene ex Rydb. |
Synonym |
 |
TICA |
| Xanthium echinellum Greene |
Unresolved |
 |
TICA |
| Xanthium eriocarpon Wallr. |
Unresolved |
 |
TICA |
| Xanthium faurae Sennen |
Unresolved |
 |
TICA |
| Xanthium fruticosum L.f. |
Synonym |
 |
TICA |
| Xanthium fuscescens Jord. & Fourr. |
Unresolved |
 |
TICA |
| Xanthium glabratum (DC.) Britton |
Unresolved |
 |
TICA |
| Xanthium glanduliferum Greene |
Unresolved |
 |
TICA |
| Xanthium globosum |
Synonym |
 |
TICA |
| Xanthium hispanicum Sennen |
Unresolved |
 |
TICA |
| Xanthium homothalamum Spreng. |
Unresolved |
 |
TICA |
| Xanthium humile Heynh. |
Unresolved |
 |
TICA |
| Xanthium inaequilaterum DC. |
Accepted |
 |
TICA |
| Xanthium indicum Klatt [Illegitimate] |
Synonym |
 |
TICA |
| Xanthium indicum Roxb. |
Unresolved |
 |
TICA |
| Xanthium indicum var. inaequilaterum (DC.) Miq. |
Synonym |
 |
TICA |
| Xanthium inflexum "Mackenzie, Bush & Widder" |
Unresolved |
 |
TICA |
| Xanthium inflexum Mack. & Bush |
Synonym |
 |
TICA |
| Xanthium intermedium Cuatrec. |
Unresolved |
 |
TICA |
| Xanthium italicum Moretti |
Accepted |
 |
TICA |
| Xanthium italicum subsp. riparium Čelak. |
Synonym |
 |
TICA |
| Xanthium japonicum Widder |
Synonym |
 |
TICA |
| Xanthium laevigatum Muhl. ex Wallr. |
Unresolved |
 |
TICA |
| Xanthium leptocarpum Millsp. & Sherff |
Unresolved |
 |
TICA |
| Xanthium longirostre Wallr. |
Unresolved |
 |
TICA |
| Xanthium macounii Britton |
Unresolved |
 |
TICA |
| Xanthium macrocarpum DC. |
Synonym |
 |
TICA |
| Xanthium macrocarpum var. glabratum DC. |
Unresolved |
 |
TICA |
| Xanthium maculatum Raf. |
Unresolved |
 |
TICA |
| Xanthium medium Nossotovsky |
Unresolved |
 |
TICA |
| Xanthium microcarpum Sennen |
Unresolved |
 |
TICA |
| Xanthium mongolicum Kitag. |
Accepted |
 |
TICA |
| Xanthium monoicum Gilib. [Invalid] |
Unresolved |
 |
TICA |
| Xanthium multifidum Larrañaga |
Unresolved |
 |
TICA |
| Xanthium natalense Widder |
Synonym |
 |
TICA |
| Xanthium nigri Ces. & al. |
Synonym |
 |
TICA |
| Xanthium nigri "Ces, Passer & Gibelli" |
Unresolved |
 |
TICA |
| Xanthium numidicum Jord. & Fourr. |
Unresolved |
 |
TICA |
| Xanthium occidentale Bertol. |
Synonym |
 |
TICA |
| Xanthium oligacanthum Piper |
Unresolved |
 |
TICA |
| Xanthium orientale Blume [Illegitimate] |
Synonym |
 |
TICA |
| Xanthium orientale L. |
Accepted |
 |
TICA |
| Xanthium orientale Cav. |
Unresolved |
 |
TICA |
| Xanthium orientale subsp. californicum (Greene) Greuter |
Accepted |
 |
TICA |
| Xanthium orientale subsp. italicum (Moretti) Greuter |
Accepted |
 |
TICA |
| Xanthium orientale subsp. riparium (Čelak.) Greuter |
Accepted |
 |
TICA |
| Xanthium oviforme Wallr. |
Synonym |
 |
TICA |
| Xanthium palustre Greene |
Synonym |
 |
TICA |
| Xanthium × parodii Widder |
Unresolved |
 |
TICA |
| Xanthium parvifolium DC. |
Unresolved |
 |
TICA |
| Xanthium pensylvanicum Gand. [Illegitimate] |
Unresolved |
 |
TICA |
| Xanthium pensylvanicum Wallr. |
Synonym |
 |
TICA |
| Xanthium pungens Wallr. |
Synonym |
 |
TICA |
| Xanthium revelieri Jord. & Fourr. |
Unresolved |
 |
TICA |
| Xanthium riparium Itzigs. & Hertsch |
Synonym |
 |
TICA |
| Xanthium riparium Lasch |
Synonym |
 |
TICA |
| Xanthium ripicola Holub |
Synonym |
 |
TICA |
| Xanthium roxburghii Wallr. |
Unresolved |
 |
TICA |
| Xanthium saccharatum Wallr. |
Synonym |
 |
TICA |
| Xanthium saccharatum subsp. italicum (Moretti) Hayek |
Synonym |
 |
TICA |
| Xanthium saccharosum |
Unresolved |
 |
TICA |
| Xanthium sallentii Sennen |
Unresolved |
 |
TICA |
| Xanthium × shullii Widder |
Unresolved |
 |
TICA |
| Xanthium sibiricum Patrin ex Widder |
Accepted |
 |
TICA |
| Xanthium sibiricum var. sibiricum |
Accepted |
 |
TICA |
| Xanthium sibiricum var. subinerme Widder |
Accepted |
 |
TICA |
| Xanthium silphifolium Greene |
Unresolved |
 |
TICA |
| Xanthium speciosum Kearney |
Synonym |
 |
TICA |
| Xanthium sphaerocephalum Salzm. ex Ball |
Unresolved |
 |
TICA |
| Xanthium spinosum L. |
Accepted |
 |
TICA |
| Xanthium spinosum var. ambrosioides (Hook. & Arn.) Love & Dans. |
Synonym |
 |
TICA |
| Xanthium spinosum var. heterocephalum Widder |
Synonym |
 |
TICA |
| Xanthium spinosum var. inerme Bel |
Synonym |
 |
TICA |
| Xanthium strumarium Lour. [Illegitimate] |
Unresolved |
 |
TICA |
| Xanthium strumarium |
Accepted |
 |
TICA |
| Xanthium strumarium L. |
Unresolved |
 |
TICA |
| Xanthium strumarium subsp. brasilicum (Vell.) O.Bolòs & Vigo |
Accepted |
 |
TICA |
| Xanthium strumarium var. brasilicum (Vell.) Fiori |
Synonym |
 |
TICA |
| Xanthium strumarium subsp. cavanillesii (Schouw) D.Löve & Dans. |
Synonym |
 |
TICA |
| Xanthium strumarium var. cavanillesii (Schouw) D.Löve & Dans. |
Synonym |
 |
TICA |
| Xanthium strumarium var. glabratum (DC.) Cronquist |
Synonym |
 |
TICA |
| Xanthium strumarium var. inaequilaterale (DC.) C.B.Clarke |
Synonym |
 |
TICA |
| Xanthium strumarium var. indicum (koenig ex Roxb.) Debeaux |
Synonym |
 |
TICA |
| Xanthium strumarium subsp. italicum (Moretti) D.Löve |
Synonym |
 |
TICA |
| Xanthium varians Greene |
Synonym |
 |
TICA |
| Xanthium vayredae Sennen |
Unresolved |
 |
TICA |
| Xanthium vulgare Lam. |
Unresolved |
 |
TICA |
| Xanthium wallrothii Widder |
Unresolved |
 |
TICA |
| Xanthium widderi Sennen |
Unresolved |
 |
TICA |
| Xanthium wootoni Cockerell ex de Vries |
Unresolved |
 |
TICA |
| Xanthium wootoni Auct. |
Unresolved |
 |
TICA |
| Xanthium wootonii Cockerell |
Synonym |
 |
TICA |
| Xanthium xanthocarpum Wallr. |
Unresolved |
 |
TICA |