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

Brown University - Algae
Catalog #: ABRU00005113
N. L. Gardner s.n.
Porphyra nereocystis C.L.Anderson
United States, California, Marin, Duxbury Reef, Bolinas, Marin Co., CA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0017159
N. L. Gardner #2297 00 April 1916
Pyropia nereocystis (C.L.Anderson) S.C.Lindstrom
United States, California, Marin, Duxbury Reef

Field Museum of Natural History
Catalog #: C0503373F
N. L. Gardner #s.n. 00 April 1916
Porphyra nereocystis C.L.Anderson
United States, California, Marin, Duxbury Reef

University of Michigan
Catalog #: 670671
N.L. Gardner #s.n. 00 April 1916
Pyropia nereocystis (C.L.Anderson) S.C.Lindstrom
United States, California, Marin, Duxbury Reef

University of Michigan
Catalog #: 670674
N.L. Gardner #s.n. 00 April 1916
Pyropia nereocystis (C.L.Anderson) S.C.Lindstrom
United States, California, Marin, Duxbury Reef

Michigan State University Algae
Catalog #: MSC0184359
N.L. Gardner #s.n. 00 April 1916
Porphyra nereocystis C.L.Anderson
United States, California, Marin, Duxbury Reef

Miami University - Algae
Catalog #: 000210331
N.L. Gardner #s.n. 00 April 1916
Porphyra nereocystis C.L.Anderson
United States, California, Marin, Duxbury Reef

Yale University Herbarium
Catalog #: YU.095580
Nathaniel Lyon Gardner s.n.
Porphyra nereocystis C.L.Anderson
United States, California, Marin, Bolinas; Duxbury Reef, Bolinas