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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348404
W. Migula #209 00 August 1927
Pediastrum duplex Meyen
Germany, Eisenbahnausstich bei Berka, Thuringen

University Herbarium, University of California, Berkeley
Catalog #: UC2037553
W. Migula #s.n. 00 August 1927
Pediastrum duplex Meyen
Germany, Thüringen, Berka

Miami University
Catalog #: 000162183
W. Migula #s.n. 00 August 1927
Pediastrum duplex Meyen
Germany, Thuringen: Eisenbahnausstich bei Berka a.d. Werra

University of Michigan
Catalog #: 730672
W. Migula #s.n. 00 August 1927
Pediastrum duplex Meyen
Germany, Thuringen: Eisenbahnausstich bei Berka a.d. Werra