Biodiversity Heritage Library
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By "Pfeiffer, Norma Etta. "
Monograph of the Isoetaceae / Norma E. Pfeiffer. --
By: Pfeiffer, Norma Etta.
Publication info: [s.l. :s.n.],1922.
Contributed by: MBLWHOI Library, Woods Hole
BHL Collections: MBLWHOI Library, Woods Hole