A.B. Seymour and F.S. Earle [1-550, plus extras]

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214697
B. D. Halsted s.n. 00 September 1893
Septoria petroselini Desm.
United States, New Jersey, Greenville;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00079592
B. D. Halsted s.n. 00 September 1893
Septoria petroselini Desm.
United States, New Jersey, Greenville;

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0008698
B. D. Halsted #s.n. 00 September 1892
Cercospora apii Fresen.
United States, New Jersey, Middlesex, New Brunswick

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0008663
C. M. Weed #s.n. 11 October 1890
Cercospora apii Fresen.
United States, Ohio, Franklin, Columbus: Ex. Sta. Gardens

Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0440
C.M. Weed s.n. 11 October 1890
Cercospora apii Fresen.
United States, Ohio, Columbus; Ex. Sta. Gardens

USDA United States National Fungus Collections
Catalog #: BPI 383044
Halsted B. D. s.n. 00 September 1893
Septoria petroselini Desm.
United States, New Jersey, Greenville

USDA United States National Fungus Collections
Catalog #: BPI 1020723
Halsted, B.D. s.n. 00 September 1892
Cercospora apii Miura
United States, New Jersey, New Brunswick

USDA United States National Fungus Collections
Catalog #: BPI 1020722
Weed, C.M. s.n. 11 October 1890
Cercospora apii Miura
United States, Ohio, Ex. Sta. Gardens, Columbus