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

Brown University - Algae
Catalog #: ABRU00003949
N. L. Gardner s.n. 19 October 1902
Ectocarpus confervoides f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, near Richmond, CA

Field Museum of Natural History
Catalog #: C0519285F
N. L. Gardner #s.n. 19 October 1902
Ectocarpus confervoides f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, near Richmond

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00223842
805a057c-3ad3-4550-8c4d-a4e730f6e2af
N. L. Gardner #s.n. 19 October 1902
Ectocarpus confervoides Le Jolis
United States, California, Contra Costa, Near Richmond

University of Michigan
Catalog #: 634950
N.L. Gardner #s.n. 19 October 1902
Ectocarpus confervoides f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, Near Richmond

University of Michigan
Catalog #: 634954
N.L. Gardner #s.n. 19 October 1902
Ectocarpus confervoides f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, Near Richmond

Michigan State University Algae
Catalog #: MSC0182544
N.L. Gardner #s.n. 19 October 1902
Ectocarpus siliculosus f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, Near Richmond

Miami University - Algae
Catalog #: 000188227
N.L. Gardner #s.n.
Ectocarpus siliculosus f. subulatus
United States, California, Contra Costa, Near Richmond

Yale University Herbarium
Catalog #: YU.094187
Nathaniel Lyon Gardner s.n. 19 October 1902
Ectocarpus confervoides f. subulatus (Kützing) Stechell & N.L.Gardner
United States, California, Contra Costa, near Richmond, CA