Porostereum is a genus of poroid crust fungi in the family Phanerochaetaceae. It was circumscribed by Czech mycologist Albert Pilát in 1937.
Species Porostereum phellodendri Pilát (1937) Porostereum sharpianum (A.L.Welden) Hjortstam & Ryvarden (1990) Porostereum spadiceum (Pers.) Hjortstam & Ryvarden (1990) Porostereum umbrinoalutaceum (Wakef.) Hjortstam & Ryvarden (1990)
References