Negative LA-Assignment : Resurrection, but no diamond here

[Beni-Kujaku]

Now, now. They share that setup with such respectable creatures as the shambling mound!

That's a common misconception. The Plant type has never given a monster Fire vulnerability, and the shambling mound has never had vulnerability to fire at all (it, however, always had resistance to fire, except of course in 4e, because 4e doesn't respect anything)