W. A. Tranzschel and J. Serebrianikow

USDA United States National Fungus Collections
Catalog #: BPI 1036515
s.n.
Plasmopara pygmaea (Unger) J. Schröt.

USDA United States National Fungus Collections
Catalog #: BPI 784843
Tranzschel, W. s.n. 11 May 1910
Plasmopara pygmaea (Unger) J. Schröt.
USSR, Levaschowo, St.-Petersburg Province and District

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0076993
W. Tranzschel #s.n. 11 May 1910
Plasmopara pygmaea (Ung.) Schot