How do you know that the mushroom is a meadow mushroom?

This type of fungi is very tolerant to fertilizers. The cap is pinky-orange with gills that run down the stem a bit. They often grow in groups and are said to be edible

Brown cap, gray white gills, and stout stem tell you that a mushroom that clusters along clearings and paths as well as in grass from June to October well may be the fried chicken mushroom...

A greasy, buff to ochre tan cap and clay brown gills on a basally enlarged, white stem tell that a mushroom that grows singly or in groups around clearings, on lawns or under trees from September to...

It will have a halo =)

they're fat and ugly