Pyrrosia

Pyrrosia, Shi Wei 石韦 Shi Wei (TCM) Pyrrosia linguaLowe, E.J., Ferns [a history of Ferns]: British and exotic (1856-1860) Botanical name: Pyrrosia spp.A number of species are used:  1. P. lingua  2. P. sheareri  3. P. petiolosa  4. P. davidii  5. P. calvata  6. P. drakeana Parts used: Herb Temperature & Taste: Cool, dry. Bitter,…