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

Brown University - Algae
Catalog #: ABRU00002844
C. H. Clarke s.n.
Ilea fulvescens (C.Agardh) J.Agardh
United States, Massachusetts, Magnolia, MA

University of Michigan
Catalog #: 679801
C.H. Clarke #s.n. 00 July 1896
Capsosiphon fulvescens (C.Agardh) Setchell & N.L.Gardner
United States, Massachusetts, Essex, Magnolia

University of Michigan
Catalog #: 679817
C.H. Clarke #s.n. 00 July 1896
Capsosiphon fulvescens (C.Agardh) Setchell & N.L.Gardner
United States, Massachusetts, Essex, Magnolia

Michigan State University Algae
Catalog #: MSC0181554
C.H. Clarke #s.n. 00 July 1896
Capsosiphon fulvescens (C.Agardh) Setchell & N.L.Gardner
United States, Massachusetts, Essex, Magnolia

Miami University - Algae
Catalog #: 000186670
C.H. Clarke #s.n. 00 July 1896
Ilea fulvescens (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Magnolia

Yale University Herbarium
Catalog #: YU.091345
Cora Huidekoper Clarke s.n. 00 July 1896
Ilea fulvescens (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Gloucester; Magnolia, MA

Field Museum of Natural History
Catalog #: C0517863F
Miss C. H. Clarke #s.n. 00 July 1896
Ilea fulvescens (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Magnolia

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00230515
649db23e-2fdf-4272-a72d-a94657f70480
Ms. C. H. Clarke #s.n. 00 July 1896
Hydroclathrus clathratus (C.Agardh) M.A.Howe
United States, Massachusetts, Magnolia