CRC is a pink mustard, found in coastal rocky outcroppings along the Calif coast. Arabis blepharophylla. Hawk Hill in the Marin Headlands, where this is taken is usually a healthy pop, but it peaked around 50 plants this year; there were more than 200 in 2011 in mid Feb. CRC is found on the road cut on the east face of Hawk Hill right along Conzelman Road.
Arabis (pronounced /ˈɛərəbɨs/), or rockcress, is a genus of flowering plants, within the family Brassicaceae, subfamily Brassicoideae.