Abstract:
O. alismoides และพรมมิ monnieri Diversity of aquatic plants at Vajiralongkorn Dam and stream branch survey was carried out in Vajiralongkorn Dam area in Thong Pha Phum, Kanchanaburi Province. Exploration and collection of botanical specimens was made from Mayr 2012 to september 2012 in 4 stations as number 6 route, shift canal, discharge canal and Kwai Noi river bank at Thong Pha Phum park respectively. Specimens were classified into 15 families 20 genera 16 species, unidentified 4 species. It was found that 1 species was rare species. Specimens were consisted of submerged plants 4 genera, floding plansts 3 species and marginal plants 13 species. Dominant species in shift canal was Nojas draminea, discharge canal was Potamogeton malaianus and number 6 route was Thelypteris crassifollio respectively. The species recognized as rare species was found as name as Curcuma roscoeana. The other 4 species, viz. C. roscoeana, Ceratopteris thalictroides and Ottelia . alismoides have economic value for ornamental plants