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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00200172
829ce281-9941-4fae-8586-328a003be336
s.n.
Endoderma wittrockii (Wille) De Toni

Brown University - Algae
Catalog #: ABRU00002845
F. S. Collins s.n. 10 June 1893
Endoderma wittrockii (Wille) De Toni
United States, Massachusetts, Nahant, MA

University Herbarium, University of California, Berkeley
Catalog #: UC1826988
F. S. Collins #s.n. 06 October 1893
Entocladia wittrockii Wille
United States, Massachusetts, Essex, Nahant

University of Michigan
Catalog #: 621409
F.S. Collins #s.n. 10 June 1893
Endoderma wittrockii (Wille) De Toni
United States, Massachusetts, Essex, Nahant

University of Michigan
Catalog #: 727823
F.S. Collins #s.n. 10 June 1893
Endoderma wittrockii (Wille) De Toni
United States, Massachusetts, Essex, Nahant

Michigan State University Algae
Catalog #: MSC0185199
F.S. Collins #s.n. 10 June 1893
Ulvella wittrockii (Wille) R.Nielsen, C.J.O'Kelly & B.Wysor
United States, Massachusetts, Essex, Nahant

Miami University - Algae
Catalog #: 000186671
F.S. Collins #s.n. 10 June 1893
Enteroderma wittrockii
United States, Massachusetts, Essex, Nahant

Yale University Herbarium
Catalog #: YU.091346
Frank Shipley Collins s.n. 10 June 1893
Endoderma wittrockii (Wille) De Toni
United States, Massachusetts, Essex, Nahant; Nahant, MA