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

Cornell University Plant Pathology Herbarium
Catalog #: Rel.Petrak.0603
s.n.
Physoderma graminis (Büsgen) De Wild.

USDA United States National Fungus Collections
Catalog #: BPI 993589
s.n.
Physoderma graminis (Büsgen) De Wild.