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

Brown University - Algae
Catalog #: ABRU00003692
A. Johnson s.n.
Ptilota asplenoides (Esper) C.Agardh
United States, Alaska, Yakutat Bay, AK

Field Museum of Natural History
Catalog #: C0516271F
Albin Johnson s.n.
Ptilota asplenoides (Esper) C.Agardh
United States, Alaska, Yakutat Bay

Yale University Herbarium
Catalog #: YU.092082
Albin Johnson s.n.
Ptilota asplenoides (Esper) C.Agardh
United States, Alaska, Yakutat Bay, AK

University of Michigan
Catalog #: 663780
Albin Johnson #s.n.
Neoptilota asplenioides (Esper) Kylin ex Scagel, Garbary, Golden & Hawkes
United States, Alaska, Yakutat Bay

Michigan State University Algae
Catalog #: MSC0183610
Albin Johnson #s.n.
Neoptilota asplenioides (Esper) Kylin ex Scagel, Garbary, Golden & Hawkes
United States, Alaska, Yakutat Bay

Miami University - Algae
Catalog #: 000187975
Albin Johnson #s.n.
Ptilota asplenioides (Esper) C.Agardh, 1822
United States, Alaska, Yakutat Bay