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

USDA United States National Fungus Collections
Catalog #: BPI 946807
s.n.
Puccinia helianthi Schwein.
Italy

Michigan State University Herbarium
Catalog #: MSC0258228
A. Guarinoni s.n.
Puccinia helianthi Schwein.
Italy, Novara; Varallo Sesia