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

Brown University - Algae
Catalog #: ABRU00002853
C. Messina s.n.
Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux
United States, Florida, Key West, FL

Yale University Herbarium
Catalog #: YU.091354
C. Messina s.n.
Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux
United States, Florida, Monroe, Key West; Key West

University Herbarium, University of California, Berkeley
Catalog #: UC1827252
C. Messina #s.n.
Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux
United States, Florida, Monroe, Key West

Michigan State University Algae
Catalog #: MSC0182927
C. Messina #s.n.
Halimeda incrassata (J.Ellis) J.V.Lamouroux
United States, Florida, Monroe, Key West

Miami University - Algae
Catalog #: 000186679
C. Messina #s.n.
Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 728706
Carrie Messina #s.n.
Halimeda incrassata (J.Ellis) J.V.Lamouroux
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 728821
Carrie Messina #s.n.
Halimeda incrassata (J.Ellis) J.V.Lamouroux
United States, Florida, Monroe, Key West

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00205318
cdcc0b70-70fb-43cb-ab14-c9faf756d474
Miss C. Messina #s.n.
Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux
United States, Florida, Monroe, Key West