Help with coral id

[High tide]

Porites is a definite possibility and a very common and hardy hitchhiker, but as a hitchhiker it always seems to just encrust or form massively, based on that I'd guess it's a monti........then again.....

[nlreefguy]

It looks more like porites to me, with those well defined coralites. Looks exactly like a porites hitchihiker I have. Porites can be branching as well, or possibly "lobular" - those "branches" may never get any bigger than that and just be like lobes scattered across the surface of an otherwise just encrusting coral. Or it may be that it is atually branching. I have several "accidental" acquisitions of porites and it comes in all forms.