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, Nathaniel Lord, 1859-1934.; New York Botanical Garden.
Publisher: Published for the New York Botanical Garden by Hafner Pub. Co.
Published: 1968
Place of publication: New York
Language: eng
Subjects: Botany -- Northeastern States.; Botany -- Canada, Eastern.
Other titles: New Britton and Brown illustrated flora.; Illustrated flora of the Northeastern United States and adjacent Canada.
Notes: "This 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 indexes.
Table of contents: value: v. 1. The pteridophyta, gymnospermae and monocotyledoneae.; value: v. 2. The choripetalous dicotyledoneae.; value: v. 3. The sympetalous dicotyledoneae.