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Potamogetonaceae is one of the most difficult groups to clarify in aquatic plants. The current studies are mostly concentrated on interspecific identification in Potamogeton. Promising barcoding markers are poor to discriminate intraspecific genetic variety in Potamogeton. In this present study, we tested eight barcoding markers for intraspecific divergence in Potamogeton, including seven cpDNA barcodes...
Internal transcribed spacers (ITS) of nuclear ribosomal DNA and chloroplast rbcL gene sequence data were used to test the hypothesis that natural populations of Potamogeton intortusifolius J.B. He in China originated from hybridization between P. perfoliatus Linn. and P. wrightii Morong. Based on ITS sequences data, P. intortusifolius possessed heterozygous rDNA genotypes which confirmed the hybrid...
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