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

Brown University - Algae
Catalog #: ABRU00002732
C. Messina s.n.
Siphonocladus membranacea (Hofman Bang ex C.Agardh) Bornet
United States, Florida, Key West, FL

Yale University Herbarium
Catalog #: YU.091305
C. Messina s.n.
Siphonocladus membranacea (Hofman Bang ex C.Agardh) Bornet
United States, Florida, Monroe, Key West; Key West

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212062
13d97898-0d92-459e-9a39-7ec47cb9456d
C. Messina #s.n
Siphonocladus membranacea (Hofman Bang ex C.Agardh) Bornet
United States, Florida, Key West, FL

Michigan State University Algae
Catalog #: MSC0182020
C. Messina #s.n.
Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 725502
Carrie Messina #s.n.
Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 725622
Carrie Messina #s.n.
Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen
United States, Florida, Monroe, Key West

Miami University - Algae
Catalog #: 000186629
F.S. Collins #s.n. 08 October 1904
Siphonocladus membranaceus
United States, Massachusetts, Suffolk, Revere Beach