Inonotus rigidus (original) (raw)

Inonotus rigidus is a species of fungus in the family Hymenochaetaceae. It is distinguished by its resupinate and rigid basidiocarps, its yellow pore surface, being microscopically ellipsoid and yellowish brown, its thick-walled basidiospores, and by lacking both setal hyphae and hymenial setae.