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

Brown University - Algae
Catalog #: ABRU00004223
M. A. Howe s.n. 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Caesar's Creek, south of Elliott's Cay, FL

Yale University Herbarium
Catalog #: YU.094529
Marshall A. Howe s.n. 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's Creek, south of Elliott's Cay, FL

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00205207
fac514ce-a9b9-491d-88a5-26b0f102dfd4
Marshall A. Howe #1483 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's creek, south of Elliott's Cay

University of Michigan
Catalog #: 728575
Marshall A. Howe #S-1698 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's creek, south of Elliott's Cay

University of Michigan
Catalog #: 728609
Marshall A. Howe #S-1698 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's creek, south of Elliott's Cay

Michigan State University Algae
Catalog #: MSC0182924
Marshall A. Howe #s.n. 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's creek, south of Elliott's Cay

Miami University - Algae
Catalog #: 000188560
Marshall A. Howe #s.n. 31 March 1904
Halimeda discoidea Decaisne
United States, Florida, Miami Dade, Caesar's creek, south of Elliott's Cay