Dan Crawford said:It could be UG, Utricularia graminifolia?
JAmesM said:Who's tank is that mate?
Dave Spencer said:The grassy foreground will either be Eleocharis acicularis or E. parvula. It has been very neatly mown.
George Farmer said:Staurogyne haas the same shape, colour and growth pattern, so if that's what you're after then it will fit the job nicely, even if it isn't that species in the photo.