floating flower of frogbit (hydrocharis morsus-ranae) or european frog's-bit.

flower frogbit hydrocharis morsusranae european frog 039 sbit closeup nature white water plant lake pond floating natural flora common aquatic botanical botany vegetation green beautiful leaves floral blooming environment season vibrant river aqua background ecology wildlife growth fresh wild blossom landscape pattern algae abstract hydrocharitaceae marsh summer horizontal nobody outdoor surface