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

Field Museum of Natural History
Catalog #: C0501497F
C. L. Anderson #s.n.
Gigartina spinosa Greville
United States, California, Santa Cruz, Bay of Monterey

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00215398
599563b1-0d0c-4cff-a4aa-9df2efc813fa
H. Averill #89
Callithamnion americanum Harvey
United States, New York, Prope New York

University Herbarium, University of California, Berkeley
Catalog #: UC687915
H. Averill #s.n.
Antithamnion americanum (Harvey) Kjellman
United States, New York, Prope

San Diego Natural History Museum - Algae
Catalog #: SD00007220
H. Averill #s.n.
Scagelia americana (Harvey) Athanasiadis
United States, New York, [no precise loc]

Yale University Herbarium
Catalog #: YU.095673
Horace Averill s.n.
Antithamnion americanum (Harvey) Kjellman
United States, New York, near New York

Field Museum of Natural History
Catalog #: C0514311F
Horace Averill #s.n.
Callithamnion americanum Harvey
United States, New York, [precise locality unknown]

University of Michigan
Catalog #: 671720
Horace Averill #s.n.
Scagelia pylaisaei (Montagne) M.J.Wynne
United States, New York, Prope New York