Picris echioides L., Sp. Pl.: 792. 1753

is basionym for Helminthotheca echioides (L.) Holub in Folia Geobot. Phytotax. 8: 176. 1973

is basionym for Helminthia echioides (L.) Gaertn., Fruct. Sem. Pl. 2: 368. 1791

Taxon for this name