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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348440
F. Ostermeyer #169 31 July 1906
Phormidium retzii (C.Agardh) Kützing ex Gomont
Austria, am Alt-Ausseer See, Styria

Michigan State University
Catalog #: MSC0184019
F. Ostermeyer #s.n. 31 July 1906
Phormidium retzii (C.Agardh) Kützing ex Gomont
Austria, Styria