F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
s.n.
Helminthosporium gracile Wallr.
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USDA United States National Fungus Collections
s.n.
Helminthosporium gracile Wallr.
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
G. Passerini s.n. 00 November 1875
Helminthosporium gracile Wallr.
Italy, Parma
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Purdue University, Kriebel Herbarium
Passerini s.n. 00 November 1875
Helminthosporium gracile Wallr.
Italy, Emilia-Romagna, Parma
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USDA United States National Fungus Collections
Passerini G. s.n. 00 November 1875
Heterosporium gracile (Wallr.) Sacc.
Italy, Parma
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