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
United States, 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

USDA United States National Fungus Collections
Catalog #: BPI 449184
Parks H. E. s.n. 00 April 1937
Arthrobotryum spongiosum Hoerl
United States, California, Smith River, del Norte Co. above 18 Mile Creek

USDA United States National Fungus Collections
Catalog #: BPI 948125
Parks H. E. s.n. 00 April 1937
Arthrobotryum spongiosum Hoerl
United States, California, Del Norte, Above 18 Mile Creek, Smith River

USDA United States National Fungus Collections
Catalog #: BPI 922371
Parks, H. E. #s. n. 00 April 1937
Arthrobotryum spongiosum Hoerl
United States, California, Del Norte, Smith River, above 18 Mile Creek

University of Cincinnati, Margaret H. Fulford Herbarium - Fungi
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