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

Brown University - Algae
Catalog #: ABRU00002874
C. H. Clarke s.n.
Delesseria alata (Hudson) J.V.Lamouroux
United States, Massachusetts, Magnolia, MA

University Herbarium, University of California, Berkeley
Catalog #: UC1856219
C. H. Clarke #s.n.
Membranoptera alata (Hudson) Stackhouse
United States, Massachusetts, Essex, Magnolia

University of Michigan
Catalog #: 650772
C.H. Clarke #s.n.
Delesseria alata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Magnolia

University of Michigan
Catalog #: 662968
C.H. Clarke #s.n.
Membranoptera spinulosa (Ruprecht) Kuntze
United States, Massachusetts, Essex, Magnolia

Miami University - Algae
Catalog #: 000186698
C.H. Clarke #s.n.
Delesseria alata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Magnolia

Yale University Herbarium
Catalog #: YU.091372
Cora Huidekoper Clarke s.n.
Delesseria alata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Gloucester; Magnolia, MA

Field Museum of Natural History
Catalog #: C0509504F
Miss C. H. Clarke #s.n.
Delesseria alata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Magnolia