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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348317
W. Krieger #286 25 July 1933
Hapalosiphon pumilus Kirchner ex Bornet & Flahault
Poland, Juncus-Moor bei Bublitz, Pommern

Michigan State University
Catalog #: MSC0182984
W. Krieger #s.n. 25 July 1933
Hapalosiphon pumilus Kirchner ex Bornet & Flahault
Poland, Bublitz, Pommern