F.K.A.E.J. de Thümen [1-750, plus extras]
USDA United States National Fungus Collections
s.n.
Sphaerella maculiformis f. carpini Rabenh.
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University of Illinois Herbarium
von Thumen s.n.
Sphaerella maculaeformis (Pers.) Auersw.
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
von Thumen s.n.
Mycosphaerella maculaeformis
Germany, Bayern, bei Bayreuth
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