Can anyone help identify these algae types?

[Sno]

Hi i have one piece of live rock in my tank that has for some reason started to grow green bubble algae, green hair algae but now pink spider shaped plants on stalks and some green skinny twig like weed has started to grow out from all the mess in branches too. ive included a picture so if anyone can tell me what the green branch which lil bulbs on it is and what pink spider shaped plants as im going to remove the rock to start cleaning today with a water change

[Pufferpunk]

That's some serious hair algae. I usually pull out as much as I can by hand & add some snails. Is a new system?

[Sno]

its been set up for about 6 months. i went away and parents were lazy with the light and maybe over fed as nitrates were a little high all is back to normal now and hair algae has been mostly ripped out as well as all the bubble algae on that rock, going to maybe add a yellow tang to help deal with these and maintain providing on how well it gets on with the puffer.
i'm a little worried about those pink rock anemone things though as when rock is in bucket removed from tank they dissapear but when returning to tank after a while they come out again so cant find a way of removing.

[Pufferpunk]

http://www.reefnut.com/aiptasia.htm