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 959080
s.n.
Marssonia neilliae Harkn.
United States

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0010820
Dr. H.W. Harkness s.n.
Marsonia neilliae

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254915
Dr. H.W. Harkness s.n.
Marsonia neilliae
United States

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000228517
H. W. Harkness #1633
Marssonia neilliae Harkn.
United States

USDA United States National Fungus Collections
Catalog #: BPI 403332
Harkness H. W. s.n.
Marssonina neilliae (Harkn.) Magnus
Unknown

University of Illinois Herbarium
Catalog #: ILL00098910
HW Harkness s.n.
Marsonia neilliae
United States, New Jersey, Gloucester, Newfield; Newfield

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0088433
HW Harkness s.n.
Marsonia neilliae
United States, New Jersey, Gloucester, Newfield