A.B. Seymour and F.S. Earle [1-550, plus extras]
USDA United States National Fungus Collections
s.n.
Plasmodiophora brassicae Woronin
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USDA United States National Fungus Collections
s.n.
Plasmodiophora brassicae Woronin
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University of Florida Herbarium
J.E. Humphrey s.n. 00 July 1891
Plasmodiophora brassicae Woronin
United States, Massachusetts, Hampshire, Amherst
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Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0402
N. J. Kelsey s.n.
Plasmodiophora brassicae Woronin
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