Little tree like thing growing by mushrooms good or bad?

[Jakewink22]

Hard to see but right I middle also grey stuff growing by it help please

 

[Convict2161]

Hard to see but right I middle also grey stuff growing by it help please

TBH, it's really hard for me see anything. I think I see something that may look like aiptasia.

 

[chenzo9999]

Hard to tell but it looks like it could be a feather duster