usually associated with floodplains, edges of temporary ponds.
Adults have chemical defenses, ejecting toxic, foul-smelling gases from their abdomen with a loud popping sound. The explosive brew is composed of hydrogen peroxide, hydroquinone, and catalytic enzymes.(BugGuide)
Growing in field with sticky rosin weed and oats
I found these wide spread on the slopes of the barn meadow.
One of our resident gopher snakes seemed to be doing an "ostrich" thing with its head resting between two panels and the rest of it out in the open where maybe it didn't think anyone could see it.