Helminthotheca (commonly called ox-tongue) is a genus in the tribe Cichorieae of the family Asteraceae. Helminthotheca is closely related to the genus Picris, both within the Hypochaeridinae subtribe.

Species

• Helminthotheca aculeata - Italy, Algeria, Morocco, Tunisia
• Helminthotheca balansae - Algeria, Morocco
• Helminthotheca comosa - Algeria, Morocco, southern Spain, Gibraltar
• Helminthotheca echioides (syn. Picris echioides) - widespread across much of Europe and the Mediterranean from Ireland + Canary Islands to Poland + Iran; naturalized in Australia, North and South America
• Helminthotheca glomerata - Algeria, Tunisia, Morocco
• Helminthotheca spinosa - central and southern Portugal, southwestern Spain

...