Cheilanthes lanosa (Michx.) D.C. Eaton
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Rhizome rather shortly creeping, its scales lance-linear, 2–3 mm × ca 0.3 mm, brown with a dark midstripe in age; lvs somewhat scattered, 1–3 dm, the 2–8 cm petiole much shorter than the blade, purplish, hirsute but not scaly; blade lance-linear, 2–5 cm wide, bipinnate-pinnatifid to subtripinnate, green and sparsely hairy above, villous-hirsute beneath with shining, whitish, jointed hairs; pinnae 12–20 pairs, ovate, petiolulate; pinnules 7–10 pairs, their ultimate segments ovate, obtuse, decurrent, entire, the slightly and irregularly recurved (but otherwise unmodified) margin scarcely covering the few sori; 2n=60. Cliffs and shale outcrops, mostly in subacid soil; Conn. and N.Y. to Wis. and Minn., s. to Ga. and Tex.