The Fomitopsidaceae are a family of fungi in the order Polyporales. Most species are parasitic on woody plants, and tend to cause brown rots. The name comes from Fomitopsis (meaning "looking like Fomes") + -aceae (a suffix used to form taxonomic family names).

Genera

• Amylocystis • Antrodia • Auriporia • Buglossoporus • Climacocystis • Coriolellus • Dacryobolus • Daedalea • Donkioporia • Fibroporia • Fomitella • Fomitopsis • Fragifomes • Gilbertsonia • Ischnoderma • Laetiporus • Laricifomes • Lasiochlaena • Neolentiporus • Niveoporofomes • Oligoporus • Osteina • Parmastomyces • Phaeolus • Pilatoporus • Piptoporus • Piptoporellus • Pseudofibroporia • Ptychogaster • Pycnoporellus • Postia • Rhodofomitopsis • Rhodonia • Rubellofomes • Spelaeomyces • Ungulidaedalea • Xylostroma In a proposed family-level classification of the Polyporales based on molecular phylogenetics, Alfredo Justo and colleagues accept 14 genera in the Fomitopsidaceae: Anthoporia, Antrodia, Buglossoporus, Cartilosoma, Daedalea, Fomitopsis, Fragifomes, Melanoporia, Neolentiporus, Niveoporofomes, Rhodofomes, Rhodofomitopsis, Rubellofomes, and Ungulidaedalea.