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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00418
s.n.
Arthrobotryum spongiosum Hoerl
United States, California

University of Illinois Herbarium
Catalog #: ILL00095043
H.E. Parks s.n. 00 April 1937
Arthrobotryum spongiosum Hoerl
USA, California, Del Norte, Del Norte County

University of Illinois Herbarium
Catalog #: ILL00095056
H.E. Parks s.n. 00 April 1937
Capnocybe spongiosa (Hoerl) S. Hughes
USA, California, Del Norte, Smith River; Above 18 Mile Creek

University of Florida Herbarium
Catalog #: FLAS-F-32107
H.E. Parks s.n. 00 April 1937
Arthrobotryum spongiosum Hoerl
USA, California, Del Norte, Above 18 Mile creek, Smith River

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0074659
H.E. Parks #418
Arthrobotryum spongiosum Hoerl
USA, California, Del Norte, Above 18 Mile creek, Smith River

University of Cincinnati, Margaret H. Fulford Herbarium
Catalog #: CINC-F-0004354
Parks, H.E. #s.n. 00 April 1937
Arthrobotryum spongiosum Hoerl
United States, California, Del Norte, Smith River; Above 18 Mile creek, Smith River