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A Morphological Study of Eriogonum nortonii (Polygonaceae) and Implications for its Biogeography

By Lisa Deree Morton

Abstract

Morphological characters, phenology, and abiotic parameters were measured to determine whether divergence has occurred between populations of Eriogonum nortonii E. Greene on the east and west sides of the Salinas Valley. Morphological variability was demonstrated across all populations but not between populations on opposite sides of the valley. Investigations into present and paleoenvironmental factors as well as dispersal factors suggest recent episodes of long distance dispersal were responsible for the disjunct distribution of E. nortonii populations

Topics: Biogeography, Eriogonum, Hastings, nortonii, Pinnacles, Toro, Plant biology; Ecology
Publisher: SJSU ScholarWorks
Year: 2012
OAI identifier: oai:scholarworks.sjsu.edu:etd_theses-7685
Provided by: SJSU ScholarWorks

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