Farlow, Anderson & Eaton, Algae Exs. Amer. Bor.
Farlow, W.G.; Anderson, C.L.; Eaton, D.C. [1 - 230]

Field Museum of Natural History
Catalog #: C0526541F
A. E. Davis #s.n.
Monostroma lactuca J.Agardh
United States, Massachusetts, Essex, Gloucester, Nahant

San Diego Natural History Museum - Algae
Catalog #: SD00001607
A. E. Davis #s.n.
Monostroma lactuca J.Agardh
United States, Massachusetts, Essex, Gloucester and Nahant

University of Michigan
Catalog #: 730173
A.E. Davis #s.n.
Monostroma lactuca J.Agardh
United States, Massachusetts, Essex, Gloucester

Yale University Herbarium
Catalog #: YU.095803
Dom'a A. L. Davis s.n.
Monostroma lactuca J.Agardh
United States, Massachusetts, Essex, Gloucester; Gloucester