This is a pioneer that has started growing in an area I cleared when I was setting up camp. Only watered by the sparse rains, in the full sun. It is a clump about 1.5 feet across and about 8 inches tall.
It's hard for me to tell from the photo on my little phone screen but it looks like it could be a cress. Maybe winter cress? We have lots of that in winter. Very bitter in warm weather but when it's freezy out it's pretty good
She still doesn't approve of my superhero lifestyle. Or this shameless plug: