common arrowhead / broadleaf arrowhead (Sagittaria latifolia)
У вашего броузера проблема в совместимости с HTML5
Aquatic and Invasive Plant Identification Series by the UF/IFAS Center for Aquatic and Invasive Plants ( http://plants.ifas.ufl.edu ) and the Florida Fish and Wildlife Commission, Invasive Plant Management Section.
For more information about common arrowhead / broadleaf arrowhead, go to http://plants.ifas.ufl.edu/node/389
Video editor/videographer - Phil Chiocchio