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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348505
W. Migula #106 00 June 1905
Nitzschia gracilis Hantzsch
Germany, Rhon, Bischoffsheim

Miami University
Catalog #: 000162118
W. Migula #s.n. 00 June 1905
Nitzschia gracilis Hantzsch
Germany, Rhon, Bischoffsheim