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

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00158549
Roland Thaxter #s.n. 00 August 1890
Uncinula flexuosa Peck
United States, Massachusetts, Middlesex, Lexington

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0026457
Roland Thaxter #s.n. 00 August 1890

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0026455
Roland Thaxter #s.n. 00 August 1890
Uncinula flexuosa Peck
United States, Massachusetts, Middlesex, Lexington; Lexington, Mass.