O. Jaap and C. Brick [1-959]

Cornell University Plant Pathology Herbarium
Catalog #: JaapF.sel.-0893
s.n.
Aecidium ranunculi Sowerby

USDA United States National Fungus Collections
Catalog #: BPI 975627
s.n.
Puccinia perplexans Plowr.

USDA United States National Fungus Collections
Catalog #: BPI 098059
Jaap O. s.n. 07 July 1904
Puccinia rubigo-vera (DC.) G. Winter
West Germany, Hamburg, Langenhorn

USDA United States National Fungus Collections
Catalog #: BPI 099250
Jaap O. s.n. 02 June 1904
Puccinia rubigo-vera (DC.) G. Winter
Germany, Hamburg, Langenhorn

Field Museum of Natural History
Catalog #: C0288737F
ee5076f5-9b62-4ddc-b347-7c9ea5f71622
O. Jaap s.n. 08 June 1904
Puccinia perplexans Plowr. Plowr.
Germany, Hamburg, Langenhorn