Westendorp & Wallays, Herb. Crypt. Belg.
Westendorp, G.D.; Wallays, A.C.F. [351 - 1400]

Drexel University, Academy of Natural Sciences
Catalog #: PH00212576
G. D. Westendorp #s.n.
Ulva clathrata (Roth) C.Agardh
Belgium, aux environs d'Ostende