Mysteries solved

I've been seeing these plants around the top of Lone Pine, but I hadn't been able to identify them until now.  Corn Gromwell is considered a weed (on the Montana wildflower website) and is related to Stoneseed.  The white flower is very small.

This is Rockcress to the best of my knowledge, though it is different than the other rockcress I've seen.

I just saw this one on Friday and it is a new one for me.  Pale Comandra; hope to see some more that are a little more opened soon.

Pale Comandra buds

Pale Comandra flowers opening