Last one!

Firstly, spongeshrooms, its just a yellow morel, it's perfectly fine, and beneficial to eat, it soothes the stomach which is very good if you just ate a gastroterror, or are a plague follower with powers that are gaseous or bile related.
Can actually be processed into sponges too!

Annoying clusters are named because they are annoying and grow in clusters, utterly useless and infest gardens, very toxic, headaches, bleeding of the insides, do not eat.

Bulbous fuck, got it's name for being a bulbous fuck, the stalk is safe and tastes beefy, the head causes fever, shakes, rashes

The crow chalice! named for it's unique chalice shape, and in rain will actually catch water, which it uses to it's advantage, as this water turns into a sort of stomach acid for it, as it secretes a sweet and acidic chemical, and bugs will fly in and get digested, Do not actually drink out of this, because the mushroom fluid causes unpleasant hallucinations, for HOURS, half the day becomes a horror show, and bloody stinging urine as it ruins your kidneys.