Helminthotheca (commonly called ox-tongue) is a genus in the Cichorieae tribe of the sunflower family. Helminthotheca is closely related to the genus Picris, both within the Hypochaeridinae subtribe. Species 1. \n* Helminthotheca aculeata - Italy, Algeria, Tunisia 2. \n* Helminthotheca balansae - Algeria, Morocco 3. \n* Helminthotheca comosa - Algeria, Morocco, Spain, Portugal, Gibraltar 4. \n* 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 5. \n* Helminthotheca glomerata - Algeria, Tunisia, Morocco