What is "helminthotheca"

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.

1. Helminthotheca aculeata - Italy, Algeria, Tunisia
2. Helminthotheca balansae - Algeria, Morocco
3. Helminthotheca comosa - Algeria, Morocco, Spain, Portugal, Gibraltar
4. 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. Helminthotheca glomerata - Algeria, Tunisia, Morocco