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

Cornell University, Plant Pathology Herbarium
Catalog #: BriosiCavara-0359
s.n.
Erysiphe R. Hedw. ex DC.

Michigan State University Herbarium
Catalog #: MSC0232240
s.n.
Erysiphe heraclei DC.
Italy, Pavia; Orto Botanico

Purdue University, Kriebel Herbarium
Catalog #: PUL00029080
Briosi e Cavara s.n.
Erysiphe umbelliferarum (Lév.) de Bary
Italy, Lombardy, Pavia, Orto botanico