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Abstract Detail


Systematics Section

Whitlock, Barbara A. [1], Gunathilake, Anuradha [1], Groff, Paul A. [1].

Intraspecific geographic variation of DNA barcodes within Gentiana affinis, Swertia perennis, and western North American Gentianopsis (Gentianaceae).

Several markers have been proposed as DNA barcodes for identification of plant species; however, an important question is the extent to which these markers vary within species and whether that variation is geographically structured. We present examples of intraspecific geographic variation in three proposed plant DNA barcodes in Gentiana affinis, Swertia perennis, and species of Gentianopsis from western North America. Across the ranges of co-distributed species, we find some commonalities in the patterns of geographic structure. These geographic patterns have implications for hypotheses of historical biogeography and of community migration and assembly, as well as for the design of DNA barcoding studies.

Broader Impacts:


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1 - University of Miami, Department of Biology, Coral Gables, FL, 33124, USA

Keywords:
Gentianaceae
Gentiana
Swertia
Gentianopsis
DNA barcodes
Biogeography
intraspecific variation.

Presentation Type: Oral Paper:Papers for Sections
Session: 33
Location: Lindell A/Chase Park Plaza
Date: Tuesday, July 12th, 2011
Time: 1:45 PM
Number: 33002
Abstract ID:707


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