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

Field Museum of Natural History
Catalog #: C0513818F
F. S. Collins #s.n. 04 May 1912
Dudresnaya crassa M.A.Howe
Bermuda, Hamilton Parish, Shelly Bay, Hamilton Island

University of Michigan
Catalog #: 651789
F.S. Collins #s.n. 04 May 1912
Dudresnaya crassa M.A.Howe
Bermuda, Shelly Bay, Hamilton Island

University of Michigan
Catalog #: 651806
F.S. Collins #s.n. 04 May 1912
Dudresnaya crassa M.A.Howe
Bermuda, Shelly Bay, Hamilton Island

Michigan State University Algae
Catalog #: MSC0182514
F.S. Collins #s.n. 04 May 1912
Dudresnaya crassa M.A.Howe
Bermuda, Shelly Bay, Hamilton Island

Miami University - Algae
Catalog #: 000196538
F.S. Collins #s.n.
Dudresnaya crassa M.A.Howe
Bermuda, Shelly Bay, Hamilton Island