Poelt & Scheuer, Reliqu. Petrak.
Institut für Systematische Botanik der Universität [1-2859]

USDA United States National Fungus Collections
Catalog #: BPI 1110600
Petrak F. s.n. 16 May 1950
Mycosphaerella magnoliae (Ellis) Petr.
United States, Maryland, Beltsville