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

Brown University - Algae
Catalog #: ABRU00003641
N. L. Gardner s.n.
Constantinea sitchensis Postels & Ruprecht
United States, Washington, Mats-Mats Bay, San Juan Island, WA

Field Museum of Natural History
Catalog #: C0513788F
N. L. Gardner #s.n.
Constantinea sitchensis Postels & Ruprecht
United States, Washington, San Juan, Mats-Mats Bay, San Juan Island

University of Michigan
Catalog #: 649255
N.L. Gardner #s.n.
Constantinea subulifera Setchell
United States, Washington, San Juan, Mats-Mats Bay, San Juan Island

University of Michigan
Catalog #: 649256
N.L. Gardner #s.n.
Constantinea subulifera Setchell
United States, Washington, San Juan, Mats-Mats Bay, San Juan Island

Michigan State University Algae
Catalog #: MSC0182175
N.L. Gardner #s.n.
Constantinea sitchensis Postels & Ruprecht
United States, Washington, Jefferson, Mats-Mats Bay, San Juan Island

Miami University - Algae
Catalog #: 000187618
N.L. Gardner #s.n.
Constantinea sitchensis Postels & Ruprecht
United States, Washington, San Juan, Mats-Mats Bay, San Juan Island

Yale University Herbarium
Catalog #: YU.092033
Nathaniel Lyon Gardner s.n.
Constantinea sitchensis Postels & Ruprecht
United States, Washington, Mats-Mats Bay, San Juan Island, WA