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

Brown University - Algae
Catalog #: ABRU00003846
W. A. Setchell s.n.
Porphyra amplissima (Kjellman) Setchell & Hus
United States, Alaska, Amaknak Island, Bay of Unalaska, AK

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0017152
W. A. Setchell #1135 00 July 1899
Wildemania amplissima (Kjellman) Foslie
United States, Alaska, Aleutians West, Amaknak Island, Bay of Unalaska

Field Museum of Natural History
Catalog #: C0503315F
W.A. Setchell #s.n. 00 July 1899
Porphyra amplissima (Kjellman) Setchell & Hus
United States, Alaska, Amaknak Island, Bay of Unalaska

University of Michigan
Catalog #: 674251
W.A. Setchell #s.n. 00 July 1899
Wildemania amplissima (Kjellman) Foslie
United States, Alaska, Amaknak Island, Unalaska Bay

University of Michigan
Catalog #: 674252
W.A. Setchell #s.n. 00 July 1899
Wildemania amplissima (Kjellman) Foslie
United States, Alaska, Amaknak Island, Unalaska Bay

Michigan State University Algae
Catalog #: MSC0184333
W.A. Setchell #s.n. 00 July 1899
Porphyra amplissima (Kjellman) Setchell & Hus
United States, Alaska, Amaknak Island, Unalaska Bay

Miami University - Algae
Catalog #: 000188127
W.A. Setchell #s.n. 00 July 1899
Porphyra amplissima (Kjellman) Setchell & Hus
United States, Alaska, Amaknak Island, Unalaska Bay

Yale University Herbarium
Catalog #: YU.092218
William Albert Setchell s.n. 00 July 1899
Porphyra amplissima (Kjellman) Setchell & Hus
United States, Alaska, Aleutians West, Unalaska; Amaknak Island, Bay of Unalaska, AK