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

Brown University - Algae
Catalog #: ABRU00002655
I. Holden s.n. 20 August 1892
Scytonema myochrous C.Agardh ex Bornet & Flahault
United States, Connecticut, Twin Lakes, Salisbury, CT

Yale University Herbarium
Catalog #: YU.091189
Isaac Holden s.n. 20 August 1892
Scytonema myochrous C.Agardh ex Bornet & Flahault
United States, Connecticut, Twin Lakes, Salisbury, CT

Michigan State University Algae
Catalog #: MSC0184661
Isaac Holden #s.n. 20 August 1892
Scytonema myochrous C.Agardh ex Bornet & Flahault
United States, Connecticut, Litchfield, Twin Lakes, Salisbury

Miami University - Algae
Catalog #: 000186458
Isaac Holden #s.n. 20 August 1892
Scytonema myochrous C.Agardh ex Bornet & Flahault
United States, Connecticut, Litchfield, Twin Lakes, Salisbury