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

USDA United States National Fungus Collections
Catalog #: BPI 122538
Farlow s.n.
Gymnosporangium nidus-avis Thaxt.
United States, Massachusetts, Newton

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254350
Farlow s.n.
Roestelia penicillata Fr.
United States, Massachusetts, Newton;

University of Michigan Herbarium
Catalog #: 278905
W. G. Farlow #1086c
Gymnosporangium nidus-avis Thaxt.
USA, Massachusetts, Middlesex, Newton.

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227701
W. G. Farlow #1086c
Gymnosporangium juniperi-virginianae Schwein.
United States, Massachusetts, Newton

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087848
W. G. Farlow #1086c
Gymnosporangium juniperi-virginianae Schwein.
United States, Massachusetts, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00318161
W. G. Farlow #s.n.
Roestelia penicillata (O.F. Müll.) Fr.
United States, Massachusetts, Middlesex, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00319721
W.G. Farlow #s.n.
Gymnosporangium juniperi-virginianae Schwein.
United States, Massachusetts, Middlesex, Newton