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

Brown University - Algae
Catalog #: ABRU00003396
De A. Saunders s.n.
Thorea andina Lagerheim & Möbius
United States, Texas, Comal Spring, New Braunfels, TX

Field Museum of Natural History
Catalog #: C0503999F
De A. Saunders #s.n. 00 December 1898
Thorea violacea Bory de Saint-Vincent
United States, Texas, Comal, Outlet of Comal Spring, New Braunfels

Michigan State University Algae
Catalog #: MSC0185014
De A. Saunders #s.n. 00 December 1898
Thorea hispida (Thore) Desvaux
United States, Texas, Outlet of Comal Spring, New Braunfels

Miami University - Algae
Catalog #: 000187343
De A. Saunders #s.n. 00 December 1898
Thorea andina Lagerheim & Möbius
United States, Texas, Comal, Comal Spring, near Braunfels

Yale University Herbarium
Catalog #: YU.091823
De Alton Saunders s.n. 00 December 1898
Thorea andina Lagerheim & Möbius
United States, Texas, New Braunfels; Comal Spring, New Braunfels, TX

University of Michigan
Catalog #: 673300
De Alton Saunders #s.n. 00 December 1898
Thorea violacea Bory de Saint-Vincent
United States, Texas, Comal, Comal Spring, near Braunfels

University of Michigan
Catalog #: 673306
De Alton Saunders #s.n. 00 December 1898
Thorea violacea Bory de Saint-Vincent
United States, Texas, Comal, Outlet of Comal Spring, New Braunfels