rotala ramosior (also known lowland rotala) grass. this plant is sometimes grown in aquariums

aquarium plants aquascape aquascaping aquatic garden grass asia asian blur bokeh botanical botany closeup clover defocused ecology freshness freshwater plant green leaves hair herb indonesia indonesian leaf lowland rotala macro marsh medicine nature paludarium pattern planted tank pond ramosior submerged sunken swamp terrarium tropical flower fruit underwater scene wet land wetland