Ryvardenia

Description

Ryvardenia is a genus of fungi in the family Polyporaceae. It contains two species, Ryvardenia campyla (Berk.) Rajchenb. (1994) and the type, Ryvardenia cretacea (Lloyd) Rajchenb. (1994), formerly placed in the genus Polyporus. Ryvardenia was circumscribed by Argentinian botanist Mario Rachenberg in 1994.