Hymenopappus scabiosaeus l'hér.

Taprooted biennial 3–7 dm, floccose-tomentose and partly glabrate, becoming more villous-puberulent above; lvs pinnatifid or the larger bipinnatifid, the lower 8–25 cm including the short petiole, 3–12 cm wide, or occasionally narrower and entire, the middle and upper generally smaller, often scattered and progressively reduced, at least some always pinnatifid; heads in an open-corymbiform infl, the disk 7–12 mm wide at anthesis; invol 7–10 mm; lobes of the disk-cor ca as long as the throat; pappus-scales hyaline, 1 mm or less; 2n=34. Prairies and dry, open woods; Tex. to s. Neb., e. irregularly to n. Ind., S.C., and Fla. May. (H. carolinensis) Ours is var. scabiosaeus.