W. Siemaszko [1-200]
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Cornell University Plant Pathology Herbarium
Catalog #: Siem.,F.Bial.Exs.0150
s.n.
Peronospora parasitica (Persoon) de Bary
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USDA United States National Fungus Collections
Catalog #: BPI 790179
Siemaszko, W. s.n. 00 May 1925
Peronospora parasitica (Persoon) de Bary
Poland, Puszcza Bialowieska
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