Arabis breweri  S. Wats.

Ubiquity:  Uncommon

Distritution:  NE 1/4, Mt. St. Helena to Flat Top, & Capell Valley

Plant Communities:  

Habitats:  Dry, sunny(?), rocky, brushy or wooded slopes/summits/ & cliff-side benches; in volcanic areas

Elevations:  600-2500'

Comments:  

Updated:  12/8/97

Arabis glabra  (L.) Benth.

Ubiquity:  Uncommon

Distritution:  S 1/2

Plant Communities:  Many

Habitats:  Dry, sunny(?) or shaded, rocky, grassy or wooded meadows/fields/slopes/ & canyons; in burn areas; in volcanic or shaley, sedimentary places

Elevations:  250-2100'

Comments:  

Updated:  12/8/97

Arabis modesta  Roll.  ssp. ?

Ubiquity:  Very uncommon

Distritution:  Known only at Monticello Dam

Plant Communities:  Regular Chaparral?

Habitats:  Moist, shaded, rocky cliff tops/ or sides/ & benches; in a sandstone sedimentary place

Elevations:  500-600'

Comments:  Questional systematics.  Limited distribution (CNPS-4)

Updated:  12/8/97

Arabis oregona  Roll.  ssp. ?

Ubiquity:  Very uncommon

Distritution:  Known only in the Cedar Cr. & Pocock Cr. area

Plant Communities:  Serpentine Chaparral

Habitats:  Dry, shaded, rocky, ultramafic, brushy slopes/tallus/roadcuts

Elevations:  700-1800'

Comments:  Questionable systematics.  Limited distribution (CNPS-4).  Not to be collected

Updated:  12/8/97