Japan Flora: Rhizomes short, densely clothed with the basal remains of old stipes, the attenuate; fronds 3-10 cm. long, tufted; stipes 2-6 cm. long, pale green on upper part, brown at base, with capitate glands and deciduous linear scales; blades ovate to deltoid-ovate, obtuse, 1.5-4 cm. long, 1.3-2.5 cm. wide, bipinnatifid to bipinnate, the raebis sulcate on upper side; pinnae 1-3 pairs, alternate, the lowest largest, petiolulate, 2- or 3-parted or pin­nate; pinnules coriaceous, 3-5, flabellate to rhombic-orbicular, or cuneate-obovate, 3-6 mm. long, nearly as wide, rounded to very obtuse, broadly cuneate and entire on lower half, mi­nutely toothed on upper half, flat on both sides; veins palmate, concealed, parallel; sori few on the center near base of pin­nules, parallel, linear, confluent; indusia 2-3 mm. long.  Calcareous rocks.

Honshu, Shikoku, Kyushu. Formosa to the Himalayas, n. Asia to Europe, and N. America.