What is "coreocarpus"

Coreocarpus is a genus of flowering plants in the daisy family native to northwestern Mexico and southern Arizona.

1. Coreocarpus arizonicus (A.Gray) S.F.Blake Arizona ( Pima, Santa Cruz, Cochise Counties), Sonora, Sinaloa, Chihuahua, Baja California Sur
2. Coreocarpus congregatus (S.F.Blake) E.B.Sm. - Sinaloa
3. Coreocarpus dissectus (Benth.) S.F.Blake - Baja California Sur
4. Coreocarpus ixtapanus B.L.Turner - México State
5. Coreocarpus parthenioides Benth. - Baja California Sur
6. Coreocarpus sonoranus Sherff - Sonora