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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348528
W. Migula #54 00 June 1904
Closterium macilentum Brébisson
Germany, Hornisgrinde, Baden

University Herbarium, University of California, Berkeley
Catalog #: UC2036415
W. Migula #s.n. 01 January 1901
Closterium macilentum Brébisson
Germany, Baden-Württemberg, Freiburg, Hornisgrinde

Miami University
Catalog #: 000162795
W. Migula #s.n. 01 July 1904
Closterium macilenium
Germany, Baden. [illeg.]

University of Michigan
Catalog #: 736021
W. Migula #s.n. 00 June 1904
Closterium macilentum Brébisson
Germany, Hornisgrinde

University of Michigan
Catalog #: 736023
W. Migula #s.n. 00 June 1904
Closterium macilentum Brébisson
Germany, Hornisgrinde

Michigan State University
Catalog #: MSC0182057
W. Migula #s.n. 00 June 1904
Closterium macilentum Brébisson
Germany, Hornisgrinde

Drexel University, Academy of Natural Sciences
Catalog #: PH00142603
W. Migula #s.n. 00 June 1904
Closterium macilentum Brébisson
Germany, Baden: Hornisgrinde