• Eryngium Linnaeus, 1753
• Eryngium alismifolium Greene
• Eryngium amethystinum Linnaeus
• Eryngium aquaticum Linnaeus, 1753
• Eryngium aristulatum Jepson
• Eryngium armatum (S. Wats.) Coult. & Rose
• Eryngium aromaticum Baldw.
• Eryngium articulatum Hook.
• Eryngium baldwinii Spreng.
• Eryngium campestre Linnaeus
• Eryngium castrense Jepson
• Eryngium constancei Sheikh
• Eryngium creticum Lam.
• Eryngium cuneifolium Small
• Eryngium diffusum Torr.
• Eryngium divaricatum Hook. & Arn.
• Eryngium floridanum Coult. & Rose accepted as Eryngium aquaticum Linnaeus, 1753
• Eryngium foetidum Linnaeus
• Eryngium heterophyllum Engelm.
• Eryngium hookeri Walp.
• Eryngium integrifolium Walt.
• Eryngium leavenworthii Torr. & Gray
• Eryngium lemmonii Coult. & Rose
• Eryngium ludovicianum Morong accepted as Eryngium integrifolium Walt.
• Eryngium maritimum L.
• Eryngium mathiasiae Sheikh
• Eryngium nasturtiifolium Juss. ex Delar. f.
• Eryngium parishii Coult. & Rose accepted as Eryngium aristulatum Jepson
• Eryngium petiolatum Hook.
• Eryngium phyteumae Delar. f.
• Eryngium pinnatisectum Jepson
• Eryngium planum Linnaeus
• Eryngium prostratum Nutt. ex DC.
• Eryngium racemosum Jepson
• Eryngium ravenelii Gray accepted as Eryngium aquaticum Linnaeus, 1753
• Eryngium sparganophyllum Hemsl.
• Eryngium spinosepalum Mathias
• Eryngium synchaetum (Gray ex Coult. & Rose) Coult. & Rose accepted as Eryngium yuccifolium Michx.
• Eryngium vaseyi Coult. & Rose
• Eryngium virginianum Lam. accepted as Eryngium aquaticum Linnaeus, 1753
• Eryngium wrightii Gray accepted as Eryngium heterophyllum Engelm.
• Eryngium yuccifolium Michx.