Westendorp & Wallays, Herb. Crypt. Belg.
G.D. Westendorp ; A.C.F. Wallays [351-1400]

USDA United States National Fungus Collections
Catalog #: BPI 1044891
s.n.
Erysiphe fuliginea (Schltdl.) Link
Belgium

USDA United States National Fungus Collections
Catalog #: BPI 1044892
s.n.
Erysiphe fuliginea (Schltdl.) Link
Belgium