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Partially shaded ledges, rocky woods and loose talus-slopes, mostly in circumneutral to calcareous soils.
ME to MN and eastern NE, south to FL and TX.
Deciduous from a short rhizome; rhizome scales few, lance-linear, 2-3.5 mm long, with a dark central stripe when mature; petioles not jointed, the persistent bases of unequal length; blade glandular, without long septate hairs, lanceolate, 3.5-10 cm wide, slightly narrowed proximally, binnate-pinnatifid, rachis glandular-hairy and sparingly scaly; pinnae in 13-18 pairs, subsessile, ovate to ovate-lanceolate; pinnules in 6-13 pairs, oblong, rounded, deeply pinnatifid with 4-6 pairs of rounded, crenate segments; indusial lobes broad, 4-6, glandular margined, incurved and covering the sporangia when young.
Spores produced midsummer to fall
Wetland indicator: UPL
Intermediate in appearance between Cystopteris and Dryopteris.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Michael Hough © 2018