Ophiostoma is a genus of fungi within the family Ophiostomataceae.
[3] Note the former type species of Ophiostoma piliferum (Fr.)
(1919) is now Ceratocystis pilifera, Ceratocystidaceae family.
[4] The genus has a cosmopolitan distribution worldwide, except for central Asia, northern Africa and Russia.
[1] The following 129 species are accepted in the genus Ophiostoma:[5]