Some help identifying growth on rocks
 

I was wondering what this small green thing on the left.
I have a few all over the tank. Thanks guys!

(picture is turned to the side, i have to leave in hurry!)
http://i.imgur.com/3xdBKzn.jpg

Probably a Marine Plant, but you'll have to wait til it grows up before we can ID it.

Ok cool, thanks, I'll post back here when we can see it better.

halimeda?

I guess I might as well add this here too, I have another weird thing to ID lol

I added this rock in about a week ago or 2 ago, and it now has these weird white tube looking things growing on it, I'm 99% sure they were not there before.

What do you think it is?
http://i.imgur.com/WOsOvjA.jpg?1

AH, just tube worms, nothing to worry about.
Possible Spaghetti Worm

Oh, ok cool! Thanks Reefing!

Just wanted to add something about the first image (green growth).

Not that it's growing out a little more, it seems a lot like Neomeris annulata.
It seems a tiny bit furry, its a bright green, the tip is rounded. I'm pretty sure it's that.

Sounds like possible Shaving Brush.