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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348376
W. Migula #181 02 October 1926
Arthrodesmus convergens Ehrenberg ex Ralfs
Germany, Thuringen: Marksuhl

Miami University
Catalog #: 000162552
W. Migula #s.n. 02 October 1926
Arthrodesmus convergens Ehrenberg ex Ralfs
Germany, Thuringen: Marksuhl, in schwimmenden Moos un Algenmassen am Rande eines Waldteiches, in lebhafter Vermehrung, daher die Stadhein nur an den altesten Zellhalften gut entwickelt

University of Michigan
Catalog #: 735924
W. Migula #s.n. 02 October 1926
Arthrodesmus convergens Ehrenberg ex Ralfs
Germany, Marksuhl, Thuringen