Plant growth in Coral/fish tank - question

[Glennrf38]

Mmmmmmmmm yummy..... looks like salad.
I have been trying to get rid of it in my tank. It seems to take over with viny growth. Not sure of the name though.

Originally Posted by newreefer_59

My tank is pretty much free of any nuisance algea or other annoying growths - except for this one. This grows on top of some live rock and around a plate of monti. It looks healthy and all, but is it ok to leave and is it indicative of something not correct? Tests are all within acceptable ranges.
Thanks