Help needed

[Ewatson249]

Does anyone know what this plant is and how to get rid of it. I quite liked it originally but it seems to be getting too widespread for my liking. Any help would be appreciated.

Am. 0
No2. 0
No3. 0
Po4. 0
Ph. 7.8
Kh. 8dkh
Mag. 1500
Calc. 420

 

[mr_X]

is that green?
see if you can pick it out here (follow the links at the bottom)
Browse Groups in Algae (Green)