| molecular insights into the taxonomy of glyceria (poaceae: meliceae) in north america. | eighteen glyceria species grow in the united states and canada, with 16 being native to the region. we used data from morphology and three chloroplast dna intergenic regions to address taxonomic questions concerning glyceria in north america, particularly the status of g. declinata, g. occidentalis, g. fluitans, g. striata, and g. elata in western north america. the chloroplast data confirmed the presence of two european species, g. declinata and g. fluitans, in western north america. glyceria o ... | 2007 | 21636425 |