Algae ID Please

[Coralgurl]

This stuff is only located in one spot and is spreading slowly. I've tried looking for an ID but can not find one. Any ideas? Its mostly brown clove like with white stringy stuff. Is it good/bad and what's needed to remove it? Sorry for the bad pictures.

http://i1199.photobucket.com/albums/aa476/coralgurl143/DSC_0583.jpg

http://i1199.photobucket.com/albums/aa476/coralgurl143/DSC_0581.jpg

http://i1199.photobucket.com/albums/aa476/coralgurl143/DSC_0582.jpg

[reefwars]

hard to say from the pic possible hydroids??