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

Brown University - Algae
Catalog #: ABRU00004447
N. L. Gardner s.n.
Ectocarpus cylindricus De A.Saunders
United States, California, White's Point, west of San Pedro, CA

Field Museum of Natural History
Catalog #: C0519300F
N. L. Gardner #1695 00 December 1908
Ectocarpus cylindricus De A.Saunders
United States, California, Los Angeles, White's Point, west of San Pedro

University of Michigan
Catalog #: 634878
N.L. Gardner #s.n. 00 December 1908
Ectocarpus cylindricus De A.Saunders
United States, California, Los Angeles, White's Point, west of San Pedro

Michigan State University Algae
Catalog #: MSC0182657
N.L. Gardner #s.n. 00 December 1908
Feldmannia simplex (P.L.Crouan & H.M.Crouan) G.Hamel
United States, California, Los Angeles, White's Point, west of San Pedro

Miami University - Algae
Catalog #: 000189221
N.L. Gardner #s.n. 00 December 1908
Feldmannia simplex (P.L.Crouan & H.M.Crouan) G.Hamel
United States, California, Los Angeles, White's Point, west of San Pedro

Yale University Herbarium
Catalog #: YU.094759
Nathaniel Lyon Gardner s.n.
Ectocarpus cylindricus De A.Saunders
United States, California, White's Point, west of San Pedro, CA