M. Raciborski and B. Namyslowski [1-200]

Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0059
s.n.
Bremia lactucae Regel

USDA United States National Fungus Collections
Catalog #: BPI 1001550
s.n.
Erysiphe martii Lév.
Poland

University of Michigan Herbarium
Catalog #: 335440
J. Kochman #s. n. 26 July 1957
Bremia lactucae Regel
Poland, Krynica Morska super Mare Balticum

New York Botanical Garden
Catalog #: 1959331
b9441e62-3191-46b4-8e4b-0dbbd53a2261
J. Kochman #s.n. 26 July 1957
Bremia lactucae Regel
Poland, Krynica Morska super Mare Balticum

USDA United States National Fungus Collections
Catalog #: BPI 565515
Raciborski M. s.n. 02 November 1909
Erysiphe polygoni DC.
Poland, Holosko, Lwowem