The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada
By: by Henry A. Gleason ; with the assistance of specialists in certain groups.
Contributors: Britton, N. L. 1859-1934..; New York Botanical Garden.
Publisher: Published for the New York Botanical Garden by Hafner Press
Published: 1974
Place of publication: New York
Language: eng
Subjects: Botany -- Canada.; Botany -- United States.; Plants -- Identification.
Notes: "The text [of An illustrated flora of the Northern United States, Canada, and the British possessions, by Nathaniel Lord Britton and Addison Brown] has been entirely rewritten and new material added."

Includes bibliographical references and index.

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Table of contents: value: v.1. Pteridophyta, gymnospermae and monocotyledoneae.; value: v.2. Choripetalous dicotyledoneae.; value: v.3. Sympetalous dicotyledoneae.