J.F. Klotzsch [1-200]

USDA United States National Fungus Collections
Catalog #: BPI 977850
s.n.
Erysiphe communis (Wallr.) Schltdl.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 978031
Klotscch #s.n.
Erysiphe communis var. geranii
Germany