Another one of them before it blooms?

And one more

Puffball. Calvatia sp

Hmmmmm...look like very cleverly painted rocks used for garden decoration. ;-)

Not rocks

cow pie?

just kidding.....

it looks like my horse poop plant food.

I just realized you didn't mean the green plant. I was looking for the answer because I have that one in my yard too.

I agree with puffball fungus.

Thanks PlantWizard. Now, any tips on how to kill these mushrooms and keep them from spreading?

Removing them will reduce the spreading to new areas,
however the original mycelia may cover several sq. yards.
In any event they are harmless unless you're allergic.

so then when you step on them it blows out alot of brown dust is that what those do.