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

Brown University - Algae
Catalog #: ABRU00003808
W. A. Setchell s.n.
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Alaska, Amaknak Island, Bay of Unalaska, AK

Field Museum of Natural History
Catalog #: C0526300F
W. A. Setchell #s.n. 00 July 1899
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Alaska, Amaknak Island

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00205541
76d6be36-09a6-4110-a02e-5a4ff4582c57
W. A. Setchell; A. A. Lawson #s.n. 00 July 1899
Percursaria percursa (C.Agardh) Rosenvinge
United States, Alaska, Amaknak Island, Bay of Unalaska

University of Michigan
Catalog #: 727917
W.A. Setchell #s.n. 00 July 1899
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Alaska, Amaknak Island

Michigan State University Algae
Catalog #: MSC0183970
W.A. Setchell #s.n. 00 July 1899
Percursaria percursa (C.Agardh) Rosenvinge
United States, Alaska, Amaknak Island, Unalaska Bay

Miami University - Algae
Catalog #: 000187941
W.A. Setchell #s.n. 00 July 1899
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Alaska, Amaknak Island

Yale University Herbarium
Catalog #: YU.092051
William Albert Setchell s.n. 00 July 1899
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Alaska, Aleutians West, Unalaska; Amaknak Island, Bay of Unalaska, AK