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

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0001559
J. Deaness s.n. 00 September 1910
Boletus clintonianus Peck
Canada, Ontario, London;

USDA United States National Fungus Collections
Catalog #: BPI 1056538
P. Sydow #s. n. 00 September 1889
Boletus felleus Bull.
Germany, Grunewald, Berlin