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

Drexel University, Academy of Natural Sciences
Catalog #: PH00348567
Dr. Stockmayer #41 00 October 1897
Porphyridium cruentum (S.F.Gray) Nägeli
Austria, Unterwaltersdorf (Ebreichsdorf)

University of Michigan
Catalog #: 669207
Dr. Stockmayer #s.n. 00 October 1897
Porphyridium cruentum (S.F.Gray) Nägeli
Austria, Unterwaltersdorf

University of Michigan
Catalog #: 669211
Dr. Stockmayer #s.n. 00 October 1897
Porphyridium cruentum (S.F.Gray) Nägeli
Austria, Unterwaltersdorf

Miami University
Catalog #: 000163673
Dr. Stockmayer #s.n. 00 October 1897
Porphyridium cruentum (S.F.Gray) Nägeli
Austria, Unterwaltersdorf (Ebreichsdorf)

Michigan State University
Catalog #: MSC0184133
S. Stockmayer #s.n. 00 October 1897
Porphyridium purpureum (Bory de Saint-Vincent) K.M.Drew & R.Ross
Austria, Unterwaltersdorf, Vienna