G. Briosi, F. Cavara, and G. Pollacci [1-475]

Cornell University, Plant Pathology Herbarium
Catalog #: BriosiCavara-0041
s.n.
Oidium erysiphoides Fr.

Michigan State University Herbarium
Catalog #: MSC0212200
s.n.
Oidium erysiphoides Fr.
Italy, Pavia

Purdue University, Kriebel Herbarium
Catalog #: PUL00029049
Briosi e Cavara s.n.
Oidium erysiphoides Fr.
Italy, Lombardy, Pavia, Dintorni