Polysiphonia urceolata (Lightf. ex Dillwyn) Grev.

ALGAE SCANDINAVICAE
Exsiccatab
QUA a ADJECTI8 CTIARACEIS
distribuit
John ehr. areschoug.
Upsaxi^e 1861-1876.
Columbia University
68. Polysiphonia urceolata (Dillw.)
In mari Babusise. Jun.
NEW YORK BOTANICAL GARDEN
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