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

Brown University - Algae
Catalog #: ABRU00003182
H. M. Richards s.n. 18 February 1895
Aphanothece microscopica Nägeli
United States, Massachusetts, Botanic Garden, Cambridge, MA

Michigan State University Algae
Catalog #: MSC0181243
H.M. Richards #s.n. 18 February 1895
Aphanothece microscopica Nägeli
United States, Massachusetts, Middlesex, Botanic Garden, Cambridge

Miami University - Algae
Catalog #: 000187090
H.M. Richards #s.n. 18 February 1895
Aphanothece microscopica Nägeli
United States, Massachusetts, Middlesex, Botanic Garden, Cambridge

Yale University Herbarium
Catalog #: YU.091635
Herbert Maule Richards s.n. 18 February 1895
Aphanothece microscopica Nägeli
United States, Massachusetts, Middlesex, Cambridge; Botanic Garden, Cambridge, MA