J.T.C. Vestergren [1-1800, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1038524
s.n.
Thekopsora hydrangeae Magnus

USDA United States National Fungus Collections
Catalog #: BPI 1038525
s.n.
Thekopsora hydrangeae Magnus

USDA United States National Fungus Collections
Catalog #: BPI 144868
Magnus P. s.n. 14 October 1897
Pucciniastrum hydrangeae (Magnus) Arthur
United States, District of Columbia, Washington

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00082457
P. Magnus s.n. 14 October 1897
Thecospora hydrangeae
United States, District of Columbia, Washington, D. C.

Field Museum of Natural History
Catalog #: C0291694F
4c335868-c4c7-41bb-bb4d-1893507c089c
P. W. Magnus s.n. 14 October 1897
Thekopsora hydrangeae Magnus Magnus
U.S.A., District of Columbia, [Precise locality unknown]