Distribution
United States of America

Native to: Alabama, Arkansas, British Columbia, Connecticut, Delaware, District of Columbia, Georgia, Greenland, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Masachusettes, Michigan, Minnesota, Mississippi, Missouri, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Québec, Rhode I., South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin.

Leaves monomorphic, green through winter, 30-100 × 10-25 cm. Petiole 1/4-1/3 length of leaf, scaly at base; scales in dense tuft, pale tawny. Blade bluish green, ovate-lanceolate, pinnate-pinnatifid to 2-pinnate at base, leathery, not glandular. Pinnae ± in plane of blade, lanceolate; basal pinnae lanceolate, slightly reduced, basal pinnules longer than adjacent pinnules, basal basiscopic pinnule longer than basal acroscopic pinnule; pinnule margins shallowly crenate to nearly entire. Sori near margin of segments. Indusia lacking glands. 2 n = 82.
Rocky, wooded slopes and ravines, edges of woods, stream banks and roadbanks, and rock walls; 50-1500 m.