J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0221209
C. L. S. s.n. 00 October 1899
Hydnum ferrugineum (Pers.) Pers.
United States, Maryland, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00055804
C. L. Shear s.n.
Hydnum ferrugineum (Pers.) Pers.
United States, Maryland, Takoma Park

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000190556
C. L. Shear #1409
Calodon P. Karst.
USA, Maryland, Takoma Park

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0076599
C.L Shear #s.n. 00 October 1899
Caldesiella ferruginosa (Pers.) Sacc.
USA, Maryland, Montgomery, Takoma Park;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-1409
C.L. Shear s.n. 00 October 1899
Hydnum ferrugineum Fr.
United States, Maryland, Montgomery, Takoma Park;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0009117
C.L. Shear s.n. 00 October 1899
Hydnum ferrugineum . .
United States, Maryland, Takoma park;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0019880
C.L. Shear #s.n. 00 October 1899
Hydnum ferrugineum (Pers.) Pers.
United States, Maryland, Takoma

Brown University Herbarium
Catalog #: CBRU00003291
CL Shear s.n. 00 October 1899
Hydnum ferrugineum (Pers.) Pers.
United States, Maryland, Montgomery, Takoma Park;

Purdue University, Kriebel Herbarium
Catalog #: PUL00019629
CL Shear s.n. 00 October 1899
Hydnum ferrugineum (Pers.) Pers.
United States, Maryland, Montgomery, Takoma Park;