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

Brown University - Algae
Catalog #: ABRU00002905
I. Holden s.n. 30 May 1897
Ectocarpus siliculosus (Dillwyn) Lyngbye
United States, Connecticut, Fresh Pond, Stratford, CT

Yale University Herbarium
Catalog #: YU.106480
Isaac Holden s.n. 30 May 1897
Ectocarpus siliculosus (Dillwyn) Lyngbye
United States, Connecticut, Fairfield, Stratford; Fresh Pond, Stratford, CT

University of Michigan
Catalog #: 635091
Isaac Holden #s.n. 30 May 1897
Ectocarpus siliculosus (Dillwyn) Lyngbye
United States, Connecticut, Fairfield, Fresh Pond, Stratford

Michigan State University Algae
Catalog #: MSC0182536
Isaac Holden #s.n. 30 May 1897
Ectocarpus siliculosus (Dillwyn) Lyngbye
United States, Connecticut, Fairfield, Fresh Pond, Stratford

Miami University - Algae
Catalog #: 000210388
Isaac Holden #s.n. 30 May 1897
Ectocarpus siliculosus (Dillwyn) Lyngbye
United States, Connecticut, Fairfield, Fresh Pond, Stratford