Boechera shockleyi x B. gracilipes x B. thompsonii = Boechera "grossii" [Annotated as such on label, but this species was apparently never published.]
Thomas Stoughton
1719
2013-04-20
20 Apr 2013
Colin R. Robins
United States, California, San Bernardino, San Bernardino National ForestHead of Furnace Canyon, northern Holcomb Valley.; Fawnskin 7.5' USGS
34.324322 -116.930078 NAD83
T3N R1W S24
2253 meters
7390ft.
Carbonate substrates, open Pinyon-Juniper woodland. Common biennial growing in swales and open areas, on relatively flat ground where carbonate rocks (primarily marble) are exposed.