הזיהויים של desert-dac

Growing on the side of the road, appears to be a volunteer from trees planted in the median by @desert-dac. Most spines are single, leaflets are long.

A short, clumping grass-like plant growing on the side of the road. It seemed thicker than grass, though, but I didnt get close enough to check it out properly.

The only wild Saguaro I've seen east of the Dragoons