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

Cornell University, Plant Pathology Herbarium
Catalog #: BriosiCavara-0215
s.n.
Podosphaera Kunze

Purdue University, Kriebel Herbarium
Catalog #: PUL00028909
A Guarinoni s.n.
Podosphaera oxyacanthae (DC.) de Bary
Italy, Piedmont, Vercelli, Varallo Sesia;

Michigan State University Herbarium
Catalog #: MSC0235940
Andrea Guarinoni s.n.
Podosphaera oxyacanthae (DC.) de Bary
Italy, Varallo Sesia;