Monographs Details: Pteridium aquilinum var. pubescens Underw.
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Variety Description - Lvs ± densely short-hairy, the reflexed indusial margin also ciliate; pinnules nearly at right angles to the costa; cordilleran region of w. N. Amer., and locally in n. Mich., s. Ont. and s. Que.