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

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00782
s.n.
Lachnum clandestinum P. Karst.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0020998
H. E. Parks #7500 00 March 1951
Lachnum clandestinum P. Karst.
United States, California, Humboldt, Willow Creek near Boise Creek Junction

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0079641
H.E. Parks #7500 00 March 1951
Dasyscyphus bicolor (Bull.) Fuckel
USA, California, Humboldt, Willow Creek; near Boise Creek Junction

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00009567
Harold E. Parks s.n. 00 March 1951
Lachnum clandestinum P. Karst.
USA, California, Humboldt, Willow Creek near Boise Creek Junction

USDA United States National Fungus Collections
Catalog #: BPI 948492
Parks H. E. #7500 00 March 1951
Lachnum clandestinum P. Karst.
United States, California, Humboldt, Willow Creek near Boise Creek Junction

USDA United States National Fungus Collections
Catalog #: BPI 661502
Parks H. E.; Parks S. T. #7500; 00 March 1951
Dasyscyphus clandestinus (Bull.) Fuckel
United States, California, Willow Creek, Humboldt Co. near Boise Creek Junction

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0013669
Parks, Harold Ernest #7500 00 March 1951
Lachnum clandestinum P. Karst.
United States, California, Humboldt, Willow Creek near Boise Creek junction.

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214105
S. T. and H. E. Parks #7500 00 March 1951
Lachnum clandestinum P. Karst.
United States, California, Humboldt, Willow Creek near Boise Creek Junction