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A Phylogeny Of Belonolaimus Populations In Florida Inferred From Dna Sequences, Byron Adams, U. Gozel, K. Nguyen, R. Inserra, R. Giblin-Davis
A Phylogeny Of Belonolaimus Populations In Florida Inferred From Dna Sequences, Byron Adams, U. Gozel, K. Nguyen, R. Inserra, R. Giblin-Davis
Byron Adams
The D2-D3 and ITS regions of rDNA from 33 Florida populations of Belonolaimus spp. were sequenced and subjected to phylogenetic analysis. Our objective was to derive a theoretical evolutionary framework for interpreting phenotypic differences as they relate to the taxonomy of the genus. The most striking aspect of the phylogenetic analysis is that none of the three nominal species (B. longicaudatus, B. euthychilus, and B. gracilis) are monophyletic. Additionally, two taxa appear to have discordant ITS and LSU sequences. Three major clades of B. longicaudatus exhibited discernible, overlapping, geographic foci from east to west across the peninsula. Morphological character states …