Migula, Krypt. Germ., Austr. Helv. Exs. [Algen]
Migula, E.F.A.W. [1 - 300]

Drexel University, Academy of Natural Sciences
Catalog #: PH00348582
F. Forster #5 00 October 1893
Sphaerozosma archeri Gutwinski
Germany, Wiesengraben, Baden, bei Hansen im sudwestl. Schwarzwald

Miami University
Catalog #: 000163826
F. Forster #s.n. 00 October 1893
Sphaerozosma archeri Gutwinski
Germany, Wiesengraben [?], Baden

University of Michigan
Catalog #: 736446
F. Forster #s.n. 00 October 1893
Sphaerozosma archeri Gutwinski
Germany, Wiesengraben, Baden

University of Michigan
Catalog #: 736447
F. Forster #s.n. 00 October 1893
Sphaerozosma archeri Gutwinski
Germany, Wiesengraben, Baden

Michigan State University
Catalog #: MSC0184741
F. Forster #s.n. 00 October 1893
Sphaerozosma archeri Gutwinski
Germany, Southwest Black Forest, Baden

Drexel University, Academy of Natural Sciences
Catalog #: PH00147191
F. Förster #s.n. 00 October 1893
Sphaerozosma Corda ex Ralfs, 1848
Germany, Baden, bei Hausen im sudwestl. Schwarzwald