Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Field Museum of Natural History
Catalog #: C0516178F
I. Holden #s.n. 00 August 1897
Pleonosporium Borreri (Smith) Nägeli
United States, Connecticut, Fairfield, Penfield Reef, near Bridgeport

University Herbarium, University of California, Berkeley
Catalog #: UC1858346
Isaac Holden #s.n. 00 July 1897
Pleonosporium borreri (Smith) Nägeli
United States, Connecticut, Fairfield, Penfield Reed, Bridgeport.

Michigan State University Algae
Catalog #: MSC0184096
M.W. Jernegan #s.n. 05 July 1897
Pleonosporium borreri (Smith) Nägeli
United States, Massachusetts, Dukes, Edgartown