Dennstaedtia punctilobula (Michx.) T.Moore
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Lvs mostly 4–8 dm, the petiole elongate, to 2 dm, basally castaneous, the fragrant blade lanceolate or lance-ovate, to 25 cm wide, bipinnate-pinnatifid; pinnae 17–25 pairs, alternate or subopposite, short-petiolulate, lanceolate, to 13 × 4.5 cm, the pinnules subsessile, 14–25 pairs, deeply pinnatisect, the segments typically 6–8 pairs, ovate, with 2–3 oblique acute teeth on each side; rachises, costae, and costules with short, spreading, glandular hairs; 2n=68. Mostly in open woods or clearings or on rocky slopes; Nf. and N.S. to Ont. and Minn., s. to Ga., Ala., and Ark. (Dicksonia p.)