J.T.C. Vestergren [1-1800, plus extras]
University of Wisconsin-Madison Herbarium
s.n.
Oidium quercinum Thüm.
|
|
|
USDA United States National Fungus Collections
s.n.
Oidium quercinum Thüm.
|
|
|
USDA United States National Fungus Collections
Hariot P. s.n. 14 June 1908
Oidium quercinum Thüm.
France, Lardy, near Paris
|
|
|
University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
P. Hariot s.n. 14 June 1908
Oidium quercinum Thüm.
France, Gallia: Lardy prope Parisios
|
|
|
|