A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1020744
s.n.
Cercospora violae Sacc.
United States

USDA United States National Fungus Collections
Catalog #: BPI 1020745
s.n.
Cercospora violae Sacc.
United States

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0458
J. Dearness s.n. 11 August 1890
Cercospora violae Sacc.
Canada, Ontario, London;