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

Brown University - Algae
Catalog #: ABRU00003563
I. Holden s.n. 06 December 1896
Chantransia violacea Kützing
United States, Connecticut, Pequonnock River, near Trumbull, CT

Field Museum of Natural History
Catalog #: C0504639F
I. Holden #s.n. 06 December 1896
Chantransia violacea Kützing
United States, Connecticut, Fairfield, Pequonnock River, near Trumbull

Yale University Herbarium
Catalog #: YU.091964
Isaac Holden s.n. 06 December 1896
Chantransia violacea Kützing
United States, Connecticut, Pequonnock River, near Trumbull, CT

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021096
Isaac Holden #881 06 December 1896
Audouinella violacea (Kützing) Hamel
United States, Connecticut, Fairfield, Pequonnock River, near Trumbull

University Herbarium, University of California, Berkeley
Catalog #: UC1843610
Isaac Holden #P.B.-A. 881 06 December 1896
Audouinella hermannii (Roth) Duby
United States, Connecticut, Fairfield, Pequonnock River, near Trumbull

University of Michigan
Catalog #: 642342
Isaac Holden #s.n. 06 December 1896
Audouinella hermannii (Roth) Duby
United States, Connecticut, Fairfield, Pequonnock River, near Trumball

University of Michigan
Catalog #: 642349
Isaac Holden #s.n. 06 December 1896
Audouinella hermannii (Roth) Duby
United States, Connecticut, Fairfield, Pequonnock River, near Trumball

Michigan State University Algae
Catalog #: MSC0181282
Isaac Holden #s.n. 06 December 1896
Audouinella hermannii (Roth) Duby
United States, Connecticut, Fairfield, Pequonnock River, near Trumball [Trumbull ?]

Miami University - Algae
Catalog #: 000187518
Isaac Holden #s.n. 06 December 1896
Chantransia violacea Kützing
United States, Connecticut, Fairfield, Pequonnock River, near Trumball