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

Brown University - Algae
Catalog #: ABRU00002560
I. Holden s.n.
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Bridgeport, CT

Yale University Herbarium
Catalog #: YU.106424
Isaac Holden s.n. 00 May 1891
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 635609
Isaac Holden #s.n. 00 May 1891
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Bridgeport

Field Museum of Natural History
Catalog #: C0518481F
Isaac Holden #s.n. 00 May 1891
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182963
Isaac Holden #s.n. 00 May 1891
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000210343
Isaac Holden #s.n. 00 May 1891
Halothrix lumbricalis (Kützing) Reinke
United States, Connecticut, Bridgeport