H.G. Winter [2601-3600, plus extras]
USDA United States National Fungus Collections
s.n.
Harknessia arctostaphyli Cooke & Harkn.
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Iowa State University, Ada Hayden Herbarium
H.W. Harkness #3483
Harknessia arctostaphyli Cooke & Harkn.
USA, California, San Francisco
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