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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01046
s.n.
Leptothyrium protuberans (Lév.) Sacc.

University of Illinois Herbarium
Catalog #: ILL00081868
J. P. Tracy #12106 08 April 1933
Leptothyrium protuberans (Lév.) Sacc.
USA, California, Del Norte, Near Gasquet, 18-mile Creek at Smith River

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0093902
J.P. Tracy #12016 08 April 1933
Leptothyrium protuberans (Lév.) Sacc.
USA, California, Del Norte, Near Gasquet, 18-mile Creek, Smith River

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0021401
Joseph P. Tracy #12016 08 April 1933
Leptothyrium protuberans (Lév.) Sacc.
United States, California, Del Norte, Near Gasquet, 18-mile Creek, Smith River

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00176069
Joseph P. Tracy; Harold E. Parks #12016 08 April 1933
Leptothyrium protuberans Sacc.
United States, California, Del Norte, Near Gasquet, 18-Mile Creek, Smith River