Rabenhorst, Krypt. Samml., Syst. Uebersicht, Pteridoph. Fucus
Rabenhorst, G.L. [Jan-40]

Drexel University, Academy of Natural Sciences
Catalog #: PH00212321
#s.n.
Ulothrix tenerrima (Kützing) Kützing
, no locality on label