10. Aphanostephus DC. (lazydaisy)
(Shinners,
1946b; Turner, 1984)
Four species, U.S., Mexico.
Preliminary
molecular studies (Noyes and Rieseberg, 1999; Noyes, 2000a) have suggested that
Aphanostephus may represent a specialized species complex within Erigeron.
In general appearance, it strongly resembles a small Erigeron.