J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]
Brown University Herbarium
G Hansen s.n.
Marsonia nigricans
United States, California, Amador, Jackson;
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Purdue University, Kriebel Herbarium
G Hansen s.n.
Marsonia nigricans
United States, California, Amador, Jackson;
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University of California Berkeley, University Herbarium
G. Hansen s.n.
Marssonina potentillae (Desm.) Magnus
USA, California, Jackson
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Geo. Hansen s.n.
Marssonia nigricans Ellis & Everh.
United States, California, Jackson; Jackson
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Michigan State University Herbarium non-lichenized fungi
Geo. Hansen s.n.
Marsonia nigricans
United States, California, Jackson;
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Clemson University Herbarium
Catalog #: CLEMS-F0002538
Geo. Hansen #2674
Marsonia nigricans
United States, California, Jackson; Jackson; 38.34889 -120.77306
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Academy of Natural Sciences of Drexel University
Geo. Hansen #N. A. F. 2674
Marssonia nigricans Ellis & Everh.
United States, California, Jackson;
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University of Wisconsin-Madison Herbarium
George Hansen #s.n.
Marssonina nigricans (Ellis & Everh.) Magnus
United States, California, Jackson
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