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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00234501
ff187f45-7efb-4fe1-b7a6-c65c13ca6b8c
W. A. Setchell #s.n.
Isactis Thuret ex Bornet & Flahault, 1886
United States, Massachusetts, Cuttyhunk