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

Brown University - Algae
Catalog #: ABRU00003474
W. A. Setchell s.n. 03 June 1896
Scytonema hofmannii C.Agardh ex Bornet & Flahault
United States, California, Marin, north side of Bolinas Ridge, CA

Michigan State University Algae
Catalog #: MSC0184649
W.A. Setchell #s.n. 03 June 1896
Scytonema hofmannii C.Agardh ex Bornet & Flahault
United States, California, Marin, Bolinas Ridge

Miami University - Algae
Catalog #: 000187384
W.A. Setchell #s.n. 03 June 1896
Scytonema hofmanni
United States, California, Marin, Bolinas Ridge

Yale University Herbarium
Catalog #: YU.091886
William Albert Setchell s.n. 03 June 1896
Scytonema hofmannii C.Agardh ex Bornet & Flahault
United States, California, Marin, Bolinas; north side of Bolinas Ridge, CA