F.K.A.E.J. de Thümen [1-750, plus extras]
University of Illinois Herbarium
s.n.
Oidium leucoconium Desm.
|
|
|
USDA United States National Fungus Collections
s.n.
Oidium leucoconium Desm.
|
|
|
University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Bertha von Thumen s.n.
Oidium leucoconium Desm.
|
|
|
|