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

USDA United States National Fungus Collections
Catalog #: BPI 959083
s.n.
Septogloeum nuttallii Harkn.
United States

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00078648
Dr. H. W. Harkness s.n.
Septogloeum nuttalliae Harkn.
United States, California, Tamalpais

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00078649
Dr. H. W. Harkness s.n.
Septogloeum nuttalliae Harkn.
United States, California, Tamalpais

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254918
Dr. H.W. Harkness s.n.
Septogloeum nuttalliae Harkn.
United States, California, Tamalpais;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000228537
H. W. Harkness #1636
Septogloeum nuttallii Harkn.
United States, California, Marin, Tamalpais

University of Illinois Herbarium
Catalog #: ILL00098913
HW Harkness s.n.
Septogloeum nuttalliae Harkn.
United States, California, Marin, Tamalpais; Tamalpais

University of Wisconsin-Madison Herbarium
Catalog #: 1WIS-F-0088436
HW Harkness s.n.
Septogloeum nuttalliae Harkn.
United States, California, Marin, Tamalpais