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Phytogeographical Notes on the Rocky Mountain Region. III. Formations in the Alpine Zone
P. A. Rydberg
Bulletin of the Torrey Botanical Club
Vol. 41, No. 9 (Sep., 1914), pp. 459-474
Published by: Torrey Botanical Society
Stable URL: http://www.jstor.org/stable/2479592
Page Count: 16