Zahlbruckner, Krypt. Exs.
A. Zahlbruckner [401-2600, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1041385
s.n.
Piggotia fraxini Berk. & M.A. Curtis
United States

USDA United States National Fungus Collections
Catalog #: BPI 390640
Barbour W. C. s.n. 00 October 0000
Piggotia fraxini Berk. & M.A. Curtis
United States, New York, Van Etten, near New York

USDA United States National Fungus Collections
Catalog #: BPI 390660
Barbour W. C. s.n. 00 October 0000
Piggotia fraxini Berk. & M.A. Curtis
United States, New York, Van Etten, near New York

University of California Berkeley, University Herbarium
Catalog #: UC1030924
W. C. Barbour s.n.
Piggotia fraxini Berk. & M.A. Curtis
USA, New York