Image: Distribution of Plants in a Perpendicular Direction in the Torrid, the Temperate, and the Rigid Zones 1848 Alexander Keith Johnston

Description: "Distribution of Plants in a Perpendicular Direction in the Torrid, the Temperate, and the Frigid Zones" published 1850 in "The Physical Atlas of Natural Phenomena: Reduced from the Edition in Imperial Folio for the Use of Colleges, Academies and Families", edition of the 1848 "The Physical Atlas" by Alexander Keith Johnston (1804–1871)
Title: Distribution of Plants in a Perpendicular Direction in the Torrid, the Temperate, and the Rigid Zones 1848 Alexander Keith Johnston
Credit: Original publication: The Physical Atlas of Natural Phenomena: Reduced from the Edition in Imperial Folio for the Use of Colleges, Academies and Families, author Alexander Keith Johnston, publisher W. Blackwood, 1850 Immediate source: digitized 2013 for Google Books, original held by University of California https://books.google.com/books?id=UB0-AQAAMAAJ&dq=Alexander+Keith+Johnston+The+physical+atlas&source=gbs_navlinks_s&redir_esc=y
Author: Alexander Keith Johnston (Life time: 28 December 1804 – 9 July 1871)
Usage Terms: Public domain in the United States
License: PD-US
License Link: //en.wikipedia.org/wiki/File:Distribution_of_Plants_in_a_Perpendicular_Direction_in_the_Torrid,_the_Temperate,_and_the_Rigid_Zones_1848_Alexander_Keith_Johnston.png