P. Sydow and W. Zopf [1-4900]
Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0009005
P. Sydow s.n.
Heterosporium gracile . .
Germany, Berlin;
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USDA United States National Fungus Collections
P. Sydow #s.n. 00 October 1895
Heterosporium gracile (Wallr.) Sacc.
Germany, Berlin, Spath'sche Baumschulen
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