• Xanthium Linnaeus, 1753
• Xanthium acerosum Greene accepted as Xanthium strumarium Linnaeus
• Xanthium ambrosioides Hook. & Arn.
• Xanthium americanum Walt. accepted as Xanthium strumarium Linnaeus
• Xanthium californicum Greene accepted as Xanthium strumarium Linnaeus
• Xanthium calvum Millsp. & Sherff accepted as Xanthium strumarium Linnaeus
• Xanthium campestre Greene accepted as Xanthium strumarium Linnaeus
• Xanthium canadense P. Mill. accepted as Xanthium strumarium Linnaeus
• Xanthium cavanillesii Schouw accepted as Xanthium strumarium Linnaeus
• Xanthium cenchroides Millsp. & Sherff accepted as Xanthium strumarium Linnaeus
• Xanthium chasei Fern. accepted as Xanthium strumarium Linnaeus
• Xanthium chinense P. Mill. accepted as Xanthium strumarium Linnaeus
• Xanthium commune Britt. accepted as Xanthium strumarium Linnaeus
• Xanthium curvescens Millsp. & Sherff accepted as Xanthium strumarium Linnaeus
• Xanthium cylindraceum Millsp. & Sherff accepted as Xanthium strumarium Linnaeus
• Xanthium echinatum Murr. accepted as Xanthium strumarium Linnaeus
• Xanthium echinellum Greene accepted as Xanthium strumarium Linnaeus
• Xanthium glanduliferum Greene accepted as Xanthium strumarium Linnaeus
• Xanthium globosum Shull accepted as Xanthium strumarium Linnaeus
• Xanthium inflexum Mackenzie & Bush accepted as Xanthium strumarium Linnaeus
• Xanthium italicum Moretti accepted as Xanthium strumarium Linnaeus
• Xanthium macounii Britt. accepted as Xanthium strumarium Linnaeus
• Xanthium occidentale Bertol. accepted as Xanthium strumarium Linnaeus
• Xanthium oligacanthum Piper accepted as Xanthium strumarium Linnaeus
• Xanthium orientale Linnaeus accepted as Xanthium strumarium Linnaeus
• Xanthium oviforme Wallr. accepted as Xanthium strumarium Linnaeus
• Xanthium pensylvanicum Wallr. accepted as Xanthium strumarium Linnaeus
• Xanthium saccharatum Wallr. accepted as Xanthium strumarium Linnaeus
• Xanthium speciosum Kearney accepted as Xanthium strumarium Linnaeus
• Xanthium spinosum Linnaeus
• Xanthium strumarium Linnaeus
• Xanthium varians Greene accepted as Xanthium strumarium Linnaeus
• Xanthium wootonii Cockerell accepted as Xanthium strumarium Linnaeus