Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0258311
s.n.
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia; Fairmount Park

USDA United States National Fungus Collections
Catalog #: BPI 959967
s.n.
Orcadella operculata Wingate
United States

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0012791
Ellis & Everhart s.n.
Orcadella operculata Wingate
United States, Pennslyvania, Philadelphia;

University of Illinois Herbarium
Catalog #: ILL00099745
H Wingate s.n.
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia, Philadelphia; Philadelphia

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0089343
H Wingate s.n.
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia, Philadelphia

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229936
H. Wingate #2497
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia, Fairmount Park

Academy of Natural Sciences of Drexel University
Catalog #: PH00324282
H. Wingate #s.n
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia, Fairmount Park, Philadelphia

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061256
Harold Wingate s.n.
Orcadella operculata Wingate
United States, Pennsylvania, Philadelphia, Fairmount Park;