What is "aphanostephus"

Aphanostephus (dozedaisy) is a genus of flowering plants in the daisy family, Asteraceae.

Aphanostephus is native to Mexico, Guatemala, and the southern United States.

1. Aphanostephus jaliscensis Shinners - Jalisco
2. Aphanostephus pachyrrhizus Shinners - Hidalgo, México, Puebla, Veracruz
3. Aphanostephus perennis Wooton & Standl. - Chihuahua, New Mexico
4. Aphanostephus pilosus Buckley - Texas, New Mexico, Oklahoma
5. Aphanostephus pinulensis J.M.Coult. ex Donn.Sm. - Guatemala
6. Aphanostephus ramosissimus DC. - Texas, New Mexico, Oklahoma, Arizona, northeastern Mexico as far south as Puebla
7. Aphanostephus riddellii Torr. & A.Gray - Coahuila, Texas, New Mexico
8. Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner - southern USA from Texas to Florida + Kansas