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

Brown University - Algae
Catalog #: ABRU00002716
W. A. Setchell s.n.
Mastigocoleus testarum Lagerheim ex Bornet & Flahault
United States, Massachusetts, Barnstable, Quisset, MA

Miami University - Algae
Catalog #: 000186616
W. A. Setchell #s.n. 00 July 1893
Mastigocoleus testarum Lagerheim ex Bornet & Flahault
United States, Massachusetts, Barnstable, Quisset

Michigan State University Algae
Catalog #: MSC0183365
W.A. Setchell #s.n. 00 July 1893
Mastigocoleus testarum Lagerheim ex Bornet & Flahault
United States, Massachusetts, Barnstable, Quisset

Yale University Herbarium
Catalog #: YU.091293
William Albert Setchell s.n. 00 July 1893
Mastigocoleus testarum Lagerheim ex Bornet & Flahault
United States, Massachusetts, Barnstable, Quisset, MA