Pyrrosia lingua is a common rock-dwelling fern from northeast Asia with tongue-shaped, leathery fronds with cinnamon-felted undersides. 'Tachiba Korya' has bluish-green leaves heavily rippled along the margins. It can be grown in open potting media, orchid mix, or on a slab. Keep dry in winter; water and fertilize in summer. A good houseplant.
Asia - China and Japan
On rocks or trees in low mountains.