Aphanostephus riddellii (Riddell's Dozedaisy) is a species of perennial herb in the family Asteraceae. They are native to The Contiguous United States and North America. They have achenes. Flowers are visited by Halictus ligatus, Checkered White, Variegated Fritillary, and Reakirt's Blue.
EOL has data for 11 attributes, including: