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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233309
f1e10b8c-c3f3-4679-b336-39c109aa14cc
F. S. Collins #s.n. 19 April 1906
Calothrix parietina Thuret ex Bornet & Flahault
United States, Rhode Island

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233311
8fbf716e-6206-4515-a107-4822dbd05fbb
N. L. Gardner #s.n. 24 November 1905
Calothrix parietina Thuret ex Bornet & Flahault
United States, California, North Berkeley

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233317
448b1fd2-4e95-4607-8d12-9eb009072c97
N. L. Gardner #s.n. 20 February 1906
Calothrix parietina Thuret ex Bornet & Flahault

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233310
79274f2b-2164-4e9e-945d-4ffcf5644749
W. J. V. Osterhout; N. L. Gardner #s.n. 00 July 1905
Calothrix parietina Thuret ex Bornet & Flahault
United States, California, Berkeley