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

Brown University - Algae
Catalog #: ABRU00003277
W. A. Setchell s.n.
Porphyra naiadum C.L.Anderson
United States, California, Sonoma, Fort Ross, Sonoma Co., CA

Field Museum of Natural History
Catalog #: C0503934F
W. A. Setchell #s.n. 00 November 1899
Porphyra naiadum C.L.Anderson
United States, California, Sonoma, Fort Ross

Michigan State University Algae
Catalog #: MSC0184353
W.A. Setchell #s.n. 00 December 1897
Porphyra naiadum C.L.Anderson
United States, California, Sonoma, Fort Ross

Miami University - Algae
Catalog #: 000210417
W.A. Setchell #s.n. 00 December 1897
Porphyra naiadum C.L.Anderson
United States, California, Sonoma, Fort Ross

Yale University Herbarium
Catalog #: YU.106542
William Albert Setchell s.n. 00 December 1897
Porphyra naiadum C.L.Anderson
United States, California, Sonoma, Fort Ross, CA