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

USDA United States National Fungus Collections
Catalog #: BPI 957711
s.n.
Phragmidium obtusum Link
United States

USDA United States National Fungus Collections
Catalog #: BPI 128084
Farlow s.n.
Frommea obtusa (F. Strauss) Arthur
United States, Massachusetts, Newton

USDA United States National Fungus Collections
Catalog #: BPI 128085
Farlow s.n.
Frommea obtusa (F. Strauss) Arthur
United States, Massachusetts, Newton

University of Illinois Herbarium
Catalog #: ILL00097413
Farlow s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Middlesex, Newton; Newton

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00063710
Farlow s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Newton;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00063711
Farlow s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Newton;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0014769
Farlow s.n.
Phragmidium obtusum Link
United States, Massachusetts, Middlesex, Newton;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087093
Farlow s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Middlesex, Newton

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253482
Farlow s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Newton;

Academy of Natural Sciences of Drexel University
Catalog #: PH00318268
Farlow #283
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Middlesex, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00318295
Farlow #s.n.
Phragmidium obtusum (F. Strauss) G. Winter
United States, Massachusetts, Middlesex, Newton

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227863
W. G. Farlow #283
Frommea obtusum (F. Strauss) Arthur
United States, Massachusetts, Middlesex, Newton