Short nap purple brush algea.
Fresh water Coraline, I'd is unknown, my photo.
Short nap, That overtook scrubber, on a UFS, Next to a 10 watt full spectrum led.
Growing in a puddle of Iowa rain water.
Overtook, waterfall scrubber. Also, It does remove nitrates, at least.
African Cichlids, will readily chow down on the stuff.
Get some popcorn.
http://www.thekrib.com/Plants/Algae/red-algae.html