identify this coral? Is it GSP?

[saltyfish24]

Is this what GSP looks like? I got this from someone who saids it's GSP. But I'm not sure. What's the branches? I thought GSP encrust on a rock, not grow branches like that?

 

[JTP424]

There is a branching type of gsp
https://www.reef2reef.com/threads/bonsai-le-tyree-toadstools-branching-gsp.1086656/#post-13121608

 

[JGT]

Yes, GSP. It can branch out.

 

[Gumbies R Us]

Gsp!