Kavina & Hilitzer, Crypt. Čechoslov. Exs.
K. Kavina and A. Hilitzer [1-300]
IndExs #686167716

USDA United States National Fungus Collections
Catalog #: BPI 977447
L. Bayer #s.n. 00 September 1933
Sphaerotheca humuli (DC.) Burrill
Czech Republic, Libosad Forest, near Jicin, Bohemia, Czechoslovakia