F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
s.n.
Exosporium fraxini (Fr.) Niessl
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USDA United States National Fungus Collections
s.n.
Exosporium fraxini (DC.) Niessl
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USDA United States National Fungus Collections
Libert Marie-anne s.n.
Exosporium fraxini (DC.) Niessl
Belgium, Malmedy
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
M. A. Libert s.n.
Exosporium fraxini (Fr.) Niessl
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Purdue University, Kriebel Herbarium
MA Libert s.n.
Exosporium fraxini (Fr.) Niessl
Belgium, Malmedy
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