水莴苣在鱼池。. 植物用于净化水在bequia的一个鱼池在迎风群岛。

一群水莴苣

洗涤生菜喷水

green water lettuce rosettes in tropical resort pond dense cluster of plants forming layered with glossy veined leaves and

green water lettuce rosettes in tropical resort pond dense cluster of plants forming layered with glossy veined leaves and

green water lettuce rosettes in tropical resort pond dense cluster of plants forming layered with glossy veined leaves and

green water lettuce rosettes in tropical resort pond dense cluster of plants forming layered with glossy veined leaves and

overhead view of water lettuce pistia stratiotes covering the surface of a pond this evergreen plant is a free floating perennial

浮萍

浮萍

漂浮的水莴苣

浮萍

越南池塘里的水莴苣

a full frame top view of vibrant green water lettuce plants floating on a pond beautiful natural foliage pattern background

a full frame top view of vibrant green water lettuce plants floating on a pond beautiful natural foliage pattern background

绿色的浮萍地毯

水莴苣水生植物

皮斯蒂亚，或水生莴苣花

绿水浮萍

苹婆

浮萍 (Pistia stratiotes)，水生植物

水莴苣

浮萍 (Pistia stratoides)

水莴苣在水中

河上的浮萍

大薸

槐叶萍

欧亚斑嘴鸭站在绿色的、覆盖着水葫芦的湖中的生锈管道上

绿水浮萍漂浮在池塘表面

绿色的水葫芦漂浮在池塘表面

Pistia stratiotes – 漂浮凤尾葵

漂浮水萍莲座的特写

close up ofthe vibrant core of water lettuce close up ofthe vibrant core of water lettuce

close up of water lettuce floating gracefully close up of water lettuce floating gracefully

奇安邦，平静水面漂浮的浮萍

Kiambang，平静水面漂浮的浮萍

奇安邦，平静水面漂浮的浮萍

奇安邦，平静水面漂浮的浮萍

浮萍漂浮在风化的混凝土墙旁

浮萍漂浮在风化的混凝土墙边

guppy fish and water lettuce in plastic container guppy fish and water lettuce in plastic container