[3lit3krew]

I know the ones in the top pic. They're pretty rubbery and tasteless and harmless but you can boil them, then squeeze them, and boil them in sugar and make candies out of them.

[giantg2]

There are a bunch of different type of coral fungi. Not all are edible.

[3lit3krew]

All are harmless, whether or not you would enjoy eating them is a totally different question.