Bacillariophyceae (33)

THE NEW YORK BOTANICAL GARDEN
DARIUS OGDEN MILLS FUND
FRESHWATER ALGAE OF PORTO RICO
\ COLLECTED BY PROFESSOR N. WILLE
RIO PIEDRAS DECEMBER 31, 1914
Auf Gramineenstiele bei Wasserreservoir
.....iiesilich von Experiment StatdLoiL
THi. HCT
Determined by Francis Drouet
NEW YORK
B OT A N1C A U
' GARDEN
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BOTANICAL
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02112930’
02112930