Reference:Benson1943a
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Verbatim text: Benson, L. D. 1943. Revisions of status of southwestern trees and shrubs. Amer. J. Bot. 30: 230--240.
Author: Benson, L.D.
Year: 1943
Title: Revisions of status of southwestern trees and shrubs
Journal: Amer. J. Bot
Volume: 30
Pages: 230–240