Rabenhorst, Algen Eur.
Rabenhorst, G.L. [1001 - 2600]

Field Museum of Natural History
Catalog #: C0503906F
Börzler #s.n.
Porphyridium cruentum (S.F.Gray) Nägeli
Germany, Saxony, Freiburg

Miami University - Algae
Catalog #: 000185306
G. Kreischer #s.n.
Palmellä cruenta (J.W.Smith) C.Agardh
Germany, Freiberg

University Herbarium, University of California, Berkeley
Catalog #: UC431887
P. Richter #s.n.
Porphyridium purpureum (Bory de Saint-Vincent) K.M.Drew & R.Ross
Germany