Collins, N. Amer. Algae
Collins, F.S. [? - ?]

University of Massachusetts - Amherst
Catalog #: 00384030
C. H. Clarke s.n.
Membranoptera alata (Hudson) Stackhouse
United States, Massachusetts, Gloucester, Magnolia, MA

University Herbarium, University of California, Berkeley
Catalog #: UC687531
C. H. Clarke #s.n. 00 August 1899
Membranoptera alata (Hudson) Stackhouse
United States, Massachusetts, Essex, Magnolia