Senecio riddellii (Riddell's Ragwort) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have broad leaves. Flowers are visited by Parnassius smintheus smintheus, Boloria eunomia, Chlosyne whitneyi, and Plebejus glandon.
EOL has data for 11 attributes, including: