Sedum, a very diverse genus of plants also known as stonecrops. They seem, in my experience, to be good pioneers, and are some of the earliest colonizers of fresh rock exposures before soil development has progressed very far.
Followup: My friend Bob tells me I "almost had it." It's Sedum oreganum, commonly known as Oregon stonecrop. I shoulda known.
Photo unmodified. July 15, 2014. FlashEarth Location.
Is This Your Hat?
2 years ago