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Potential Utility Of Chloroplast Trnl (Uaa) Gene Intron Sequences For Inferring Phylogeny In Scrophulariaceae, C. Edward Freeman, Ron Scogin

Aliso: A Journal of Systematic and Floristic Botany

Whereas chloroplast DNA-derived sequence data from protein coding regions have been utilized successfully at many taxonomic levels in recent years, sequences which are variable enough to allow for efficient phylogenetic inference (maximum information with relatively low sequencing costs and effort) at the subfamilial level huve been few. Sequence data were obtained in this study from a noncoding region, the trnL (UAA) gene intron, from a selection of taxa from the Scrophulariaceae and closely related families (representing 41 species in 26 genera). Groups of species from commonly recognized tribes and subtribes were included to determine if these taxa were grouped together …