Ellis, N. Amer. Fungi
J.B. Ellis [1 - 1500, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 120827
Arthur J. C. s.n.
Gymnosporangium juniperi-virginianae Schwein.
United States, Iowa, Charles City

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254348
F. C. Arthur s.n.
Roestelia penicillata Fr.
United States, Iowa, Charles City;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227699
F. C. Arthur #1086a
Gymnosporangium juniperi-virginianae Schwein.
United States, Iowa, Charles City

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087846
F. C. Arthur #1086a
Gymnosporangium juniperi-virginianae Schwein.
United States, Iowa, Charles City

Academy of Natural Sciences of Drexel University
Catalog #: PH00318159
F. C. Arthur #s.n
Roestelia penicillata (O.F. Müll.) Fr.
United States, Iowa, Floyd, Charles City

Academy of Natural Sciences of Drexel University
Catalog #: PH00319719
F.C. Arthur #s.n
Gymnosporangium juniperi-virginianae Schwein.
United States, Iowa, Floyd, Charles City