Anonymous, Calif. Fungi
Herbarium of the University of California. [1- ? 1425]

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01104
s.n.
Sphaerographium Sacc.

USDA United States National Fungus Collections
Catalog #: BPI 948814
s.n.
Sphaerographium clemensiae
United States, California