Pronunciation: BOO-ker-a ret-tro-FRAK-ta
Common name: Pine rock-cress
Family: Brassicaceae (Mustard)
Habitat: Rocky slopes and dry places under pines,
mountains of Southern California to 8000'
Blooming period: May to July
Click for Latin name derivations: 1) Boechera
2) retrofracta
NOTE: This is the species that was previously called
Arabis holboellii var. pinetorum. The Latin name
above is unpublished and is being used to indicate
that this species is a hybrid probably of Boechera
retrofracta and some other unknown parent.