C. Roumeguere [1-7400]
Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-1212
s.n.
Didymium costatum Fries
France
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University of Illinois Herbarium
s.n.
Didymium costatum Fries
France, Malmédy,
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USDA United States National Fungus Collections
s.n.
Didymium costatum Fuckel
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