Holzinger, Musci Acrocarpi Bor.-Amer.
John M. Holzinger [1 - 525]

Field Museum of Natural History
Catalog #: C1056694F
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J. M. Holzinger #4a 05 April 1901
Gymnostomum calcareum var. winonense Holz.
United States, Minnesota, Fillmore, Mahood's Valley near Wykoff

University of Michigan Herbarium
Catalog #: 580061
J. M. Holzinger #s. n. 05 April 1901
Gymnostomum aeruginosum Sm.
USA, Minnesota, Fillmore, Mahood's Valley, near Wykoff

University of Illinois Herbarium
Catalog #: ILL00017097
J. M. Holzinger #s.n. 05 April 1901
Gymnostomum calcareum var. winonense Holz. Ren. Card.
USA, Minnesota, Fillmore, Mahood's Valley, near Wykoff

University of Wisconsin - Madison
Catalog #: WIS-B-0012029
J. M. Holzinger #s.n. 05 April 1901
Gymnostomum calcareum Nees & Hornsch.
United States, Minnesota, Fillmore, Mahood's Valley, near Wykoff

Academy of Natural Sciences of Drexel University
Catalog #: PH00110787
J. M. Holzinger #s.n. 05 April 1901
Gymnostomum calcareum Nees & Hornsch.
USA, Minnesota, Fillmore, Mahood’s Valley, near Wykoff

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00016263
J.M. Holzinger #s.n. 05 April 1901
Gymnostomum aeruginosum Sm.
USA, Minnesota, Fillmore, Mahood's Valley, near Wykoff.

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.225417
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John Michael Holzinger s.n. 05 April 1901
Gymnostomum calcareum Nees & Hornsch.
United States of America, Minnesota, Fillmore, near Wykoff, Mahood's Valley