What is the name of this algae?

Ive done some searching and cant find too many shots that resemble this algae. (not the feather).

I thought it might be Lithothamnion but it isnt hard looking like that. Resembles more like Peyssonnelia or Renouxia.

as you maybe tell the branches are short. Been growing for a month or so and has not extended just grown more blades. Very irregular in shape. Seems to form a mat underneath. The blades are rubbery.

any ideas or pics i havent been able to find yet?

thanks

another out of the water shot

eww... that's some nasty stuff you got there. looks cool though. no idea what it is. sorry.

Ive seen that stuff before. Never successfully got an ID on it though. Good luck. Its definitely cool looking.