Key and flora
Subtitle: northern and central states
By: by Joseph Y. Bergen
Edition: Rev. and enl.
Publisher: Ginn
Published: 1908
Place of publication: Boston
Language: eng
Number of pages: 267
Subjects: Botany -- United States.
Other titles: Bergen's botany, key and flora, northern and central states.; Bergen's botanies, key and flora, northern and central states.
Notes: Cover title: Bergen's botany, key and flora, northern and central states.

Spine title: Bergen's botanies, key and flora, northern and central states.

Includes index.