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

University of Illinois Fungarium - Fungi
Catalog #: ILL00097422
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Middlesex, Newton; Newton

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00084256
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Newton;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00084257
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Newton;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253491
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Newton;

USDA United States National Fungus Collections
Catalog #: BPI 957720
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Newton

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0087103
Farlow s.n.
Urocystis occulta
United States, Massachusetts, Middlesex, Newton

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0026869
Farlow #s.n.
Urocystis occulta (Wallr.) Rabh.
United States, Massachusetts, Middlesex, Newton, Mass. [Massachusetts]

Academy of Natural Sciences of Drexel University
Catalog #: PH00317388
Farlow #s.n.
Urocystis occulta (Wallr.) Rabenh.
United States, Massachusetts, Middlesex, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00317404
Farlow #s.n.
Urocystis occulta (Wallr.) Rabenh.
United States, Massachusetts, Middlesex, Newton

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227872
W. G. Farlow #292
Urocystis occulta
United States, Massachusetts, Middlesex, Newton