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

Brown University - Algae
Catalog #: ABRU00003684
Mrs. E. Snyder s.n.
Plocamium coccineum Lyngbye
United States, California, La Jolla, CA

Yale University Herbarium
Catalog #: YU.092077
Mrs. E. Snyder s.n.
Plocamium coccineum Lyngbye
United States, California, San Diego, La Jolla, CA

Michigan State University Algae
Catalog #: MSC0184383
Mrs. E. Snyder #s.n. 00 December 1901
Plocamium pacificum Kylin
United States, California, San Diego, La Jolla

Miami University - Algae
Catalog #: 000187967
Mrs. E. Snyder #s.n. 00 December 1901
Plocamium pacificum Kylin
United States, California, San Diego, La Jolla