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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00217027
de78fe32-b4f3-442b-9bcd-6eed1960e538
#s.n.
Digenea simplex (Wulfen) C.Agardh
Japan, Riukiu Island [=Ryukyu]

Brown University - Algae
Catalog #: ABRU00002692
C. Messina s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Key West, FL

Yale University Herbarium
Catalog #: YU.091223
C. Messina s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West; Key West

Michigan State University Algae
Catalog #: MSC0182491
C. Messina #s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West

Miami University - Algae
Catalog #: 000186492
C. Messina #s.n.
Digenia simplex
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 651523
Carrie Messina #s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 651528
Carrie Messina #s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West

Field Museum of Natural History
Catalog #: C0508762F
Miss C. Messina #s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00217029
45785976-5cf1-4b9b-b55f-b7734b1b22a0
Ms. C. Messina #s.n.
Digenea simplex (Wulfen) C.Agardh
United States, Florida, Monroe, Key West