P. Sydow and W. Zopf [1-4900]

USDA United States National Fungus Collections
Catalog #: BPI 1055334
Hemmings #s. n. 24 July 1887
Cystopus spinulosus de Bary
Germany, Schoeneberg, Berlin

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0004952
P. Hennings s.n. 00 July 1884
Cystopus spinulosus de Bary
Germany, Berlin, Berlin;