Bacillariophyceae (33)

THE NEW YORK BOTANICAL GARDEN
DARIUS OGDEN MILLS FUND
FRESHWATER ALGAE OF PORTO RICO
COLLECTED BY PROFESSOR N. WILLE
Utuado March -5-8, 1915
N,Eyi/I?R.K.BpTANICAL GARDEN
02112911
02112911