A.B. Seymour and F.S. Earle [1-550, plus extras]
USDA United States National Fungus Collections
s.n.
Ustilago nuda (C.N. Jensen) Kellerm. & Swingle
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USDA United States National Fungus Collections
s.n.
Ustilago hordei
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Cornell University Plant Pathology Herbarium
A. B. Seymour #1644 28 August 1884
Puccinia graminis Pers.
United States, North Dakota, Burleigh, Bismarck;
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Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0082
J.E. Humphrey s.n. 00 July 1810
Ustilago nuda Schaffnit
United States, Massachusetts, Hampshire, Amherst;
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