''Helminthotheca'' (commonly called ox-tongue) is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the tribe

Cichorieae The Cichorieae (also called Lactuceae) are a tribe in the plant family Asteraceae that includes 93 genera, more than 1,600 sexually reproductive species and more than 7,000 apomictic species. They are found primarily in temperate regions of the E ...

of the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. ''Helminthotheca'' is closely related to the genus ''

Picris ''Picris'' (oxtongues) is a genus of flowering plants in the family Asteraceae described as a genus by Linnaeus in 1753. ''Picris'' species are used as food plants by the larvae of some Lepidoptera species, such as the grass moth ''Diasemia reti ...

'', both within the Hypochaeridinae subtribe. ; Species * ''

Helminthotheca aculeata ''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 a ...

'' - Italy, Algeria, Morocco, Tunisia * ''

Helminthotheca balansae ''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 ac ...

'' - Algeria, Morocco * ''

Helminthotheca comosa ''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 ac ...

'' - Algeria, Morocco, southern Spain, Gibraltar * ''

Helminthotheca echioides ''Helminthotheca echioides'', known as bristly (or prickly) oxtongue, is a sprawling annual plant, annual or biennial plant, biennial herb native to Europe and North Africa. It was originally placed within the genus ''Picris'' but is often separa ...

'' (syn. ''Picris echioides'')Interagency Taxonomic Information System (ITIS) report for ''Helminthotheca echioides'' (L.) Holub, accessed 12-23-2012
/ref> - widespread across much of Europe and the Mediterranean from Ireland + Canary Islands to Poland + Iran; naturalized in Australia, North and South America * ''

Helminthotheca glomerata ''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 ac ...

'' - Algeria, Tunisia, Morocco * ''

Helminthotheca spinosa ''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 ac ...

'' - central and southern Portugal, southwestern Spain

References

Asteraceae genera Cichorieae {{Cichorieae-stub