noun
A small aquatic plant that floats on still water surfaces.
池の水面に青浮草が一面に広がっていた。
The surface of the pond was covered with duckweed.
Standard kanji spelling for duckweed.
Alternate kanji form; less common.
Compound of 青 (ao, 'green') + 浮草 (ukikusa, 'floating plant').