Ascomyceten #1934
Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

University of Michigan Herbarium
Catalog #: 312692
J. Dearness #s. n. 00 January 1911
Valsa boreella P. Karst.
Canada, Ontario, London.

Cornell University, Plant Pathology Herbarium
Catalog #: CUP-F-2314
John Dearness #3181 00 January 1911
Valsa boreella P. Karst.
Canada, Ontario, Middlesex, London;