Title: Biblio RTF Export
Author: Biblio 7.x

S. & Poggenbu Britton, ?Preliminary Catalogue of Anthophyta and Pteridophyta one Hundred Miles of New York City?, 1888.

N. L.  Britton, Sterns, E. E., and Poggenburg, J. F., ?Preliminary Catalogue of Anthophyta and Pteridophyta Reported as Growing Spontaneously within One Hundred Miles of New York?, 1888.