G. Briosi and F. Cavara [1-475]

USDA United States National Fungus Collections
Catalog #: BPI 946888
s.n.
Oidium ceratoniae Comes

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0258243
Clemente Grimaldi s.n.
Oidium ceratoniae Comes
Italy, Sicilia; Modica

USDA United States National Fungus Collections
Catalog #: BPI 409348
Grimaldi Clemente s.n.
Oidium ceratoniae Comes
Italy, Modica, Sicily