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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0033353
Gardner, N. L. #s.n. 04 April 1911
Cryptopleura violacea (J.Agardh) Kylin
United States, California, Los Angeles, Venice, Los Angeles County, California

Brown University - Algae
Catalog #: ABRU00005058
N. L. Gardner s.n.
Nitophyllum violaceum J.Agardh
United States, California, Los Angeles, Venice, CA

Michigan State University Algae
Catalog #: MSC0182269
N.L. Gardner #s.n. 00 April 1911
Cryptopleura violacea (J.Agardh) Kylin
United States, California, Los Angeles, Venice

Miami University - Algae
Catalog #: 000210278
N.L. Gardner #s.n. 00 April 1911
Cryptopleura violacea (J.Agardh) Kylin
United States, California, Los Angeles, Venice

Yale University Herbarium
Catalog #: YU.095524
Nathaniel Lyon Gardner s.n.
Nitophyllum violaceum J.Agardh
United States, California, Los Angeles, Venice, CA