Rhizomes horizontal, less than 1 cm diam.; rhizome hairs orange; fronds 9–16 cm long, caespitose; stipes terete, 4–8 cm long, ca. 1 mm diam., light to dark brown, densely hirsute; blades deltate-ovate, bipinnate to bipinnate-pinnatifid, 5–12 x 4.5–6 cm, chartaceous; pinnae 7–10 pairs; pinnules narrowly adnate, oblong, crenate to pinnatifid, hirsute on both surfaces; veins free; fertile pinnae sessile, horizontal or slightly ascending, remote from the sterile pinnae; spores 56–81 µm, the angle protuberances conspicuous, the ridges smooth, solid. Oak forests in humid canyon; 780 m. Mexico. Oak forests in humid canyon; 780 m. Mexico. Rhizomes horizontal, less than 1 cm diam.; rhizome hairs orange; fronds 9–16 cm long, caespitose; stipes terete, 4–8 cm long, ca. 1 mm diam., light to dark brown, densely hirsute; blades deltate-ovate, bipinnate to bipinnate-pinnatifid, 5–12 x 4.5–6 cm, chartaceous; pinnae 7–10 pairs; pinnules narrowly adnate, oblong, crenate to pinnatifid, hirsute on both surfaces; veins free; fertile pinnae sessile, horizontal or slightly ascending, remote from the sterile pinnae; spores 56–81 µm, the angle protuberances conspicuous, the ridges smooth, solid.General Information
Source: [
Distribution
Source: [
Memoirs of the New York Botanical Garden
Distribution
