Pinus ponderosa: Geographic Races and Subspecies Based on Morphological Variation (Paperback) (ISBN-13: 9781511458351)

Morphological variation of ponderosa pine, growing north of Mexico, is described. A map shows distributions of five putative races that are analyzed and discussed. Characteristics of branches, shoots, and needles were measured for 10 of fewer trees growing on 147 plots located at 1,500-ft elevation intervals along latitudinal transects.

Author: Robert Z. Callaham
ISBN-10: 1511458356
ISBN-13: 9781511458351
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 06/26/2015
Pages: 60
Format: Paperback
Weight: 0.36lbs
Size: 11.02h x 8.50w x 0.12d