''Onoseris'' 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 ...

Mesoamerican Mesoamerica is a historical region and cultural area that begins in the southern part of North America and extends to the Pacific coast of Central America, thus comprising the lands of central and southern Mexico, all of Belize, Guatemala, El S ...

and

South American South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

flowering plants in 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 ...

.Willdenow, Carl Ludwig von. 1803. Species Plantarum. Editio quarta 3(3): 1702
in Latin ; Species: ; Formerly includedFlann, C (ed) 2009+ Global Compositae Checklist
Several species once considered members of ''Onoseris'' are now regarded as better suited to other genera: '' Actinoseris, Criscia,

Hieracium ''Hieracium'' (), known by the common name hawkweed and classically as (from ancient Greek ἱέραξ, 'hawk'), is a genus of flowering plant in the family Asteraceae, and closely related to dandelion (''Taraxacum''), chicory (''Cichorium''), ...

, Ianthopappus,

Lycoseris ''Lycoseris'' is a genus of Central and South American flowering plants in 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 th ...

, Noticastrum, Trichocline, and Urmenetea''.

References

Asteraceae genera Onoserideae {{Asteraceae-stub