Japan Flora: Rhizomes erect or ascending, densely scaly; fronds tufted; stipes red-brown, slightly lustrous, 3-10 cm. long, jointed below the middle nearly to the base, loosely hairy and thiny scaly, the basal scales membranous, ovate- lanceolate, acuminate, loosely ciliate; blades herbaceous, lanceo­late to oblong-lanceolate, 5-15 cm. long, 1.5-5 cm. wide, acute with an obtuse tip, bipinnate to bipinnatiparted, hairy on both sides, with narrow scales beneath; pinnae 5-15 pairs, obliquely spreading, narrowly triangular-ovate, 1-3 cm. long, 5-10 mm. wide, sessile; pinnules oblong to elliptic, obtuse, obtusely toothed to subentire, decurrent; sori rusty-brown; indusia small, salverform, irregularly parted into 5 or 6 narrow seg­ments. Rocky places.

Hokkaido. Sakhalin, Korea, Man­churia, Kamchatka, Siberia to Europe, and N. America.