F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
H. W. Ravenel s.n.
Oidium ambrosiae Thüm.
USA, South Carolina, Aiken; Aiken
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Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0012612
H.W. Ravenel s.n.
Oidium ambrosiae Thüm.
United States, South Carolina, Aiken;
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USDA United States National Fungus Collections
Ravenel H. W. s.n.
Oidium ambrosiae Thüm.
United States, South Carolina, Aiken
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USDA United States National Fungus Collections
Ravenel H. W. s.n.
Oidium ambrosiae Thüm.
United States, South Carolina, Aiken
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
ThÙmen #s.n.
Oidium ambrosiae Thum.
United States, South Carolina, Aiken
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