Common name: Broad-leaved Pondweed
Scientific name: Potamogeton natans 浮葉眼子菜
Genus: Potamogeton 眼子菜屬
Family: Potamogetonaceae 眼子菜科, pondweeds family
Origin: native
Date: 18th July
floating leaves
flowering stalk
1 week later, all other inflorescence disappeared except this one (photo above) (26th July)
