Lasthenia californica  Lindley

Ubiquity:  Very common

Distritution:  Throughout except Napa Marsh.

Plant Communities:  Many including Serpentine Grassland & Chaparral

Habitats:  Moist, sunny, rocky, ultramafic of not, grassy slopes/summits/valley floors/ & swales; & occasionally in disturbed places like fields/ & roadsides; in all formations including serpentine

Elevations:  60-2400'

Comments:  = L. chrysostoma

Updated:  3/31/98

Lasthenia conjugens  E. Greene

Ubiquity:  Very uncommon

Distritution:  Now known only from Soscol Ridge and Atlas Peak Rd. x upper Milliken Canyon

Plant Communities:  Annual Grassland

Habitats:  Moist, sunny, rocky, grassy, vernal pools; in alluvial formations

Elevations:  80-1470'

Comments:  Rare & Endangered (CNPS-List 1B; FED-FE?).  Not to be collected

Updated:  3/31/98

Lasthenia glaberrima  DC.

Ubiquity:  Uncommon

Distritution:  N1/2 & SW1/3 except Napa Marsh

Plant Communities:  Riparian

Habitats:  Wet, sunny, clayey, marshy, vernal pools & marshes/ & meadows; in alluvial formations

Elevations:  10-660'

Comments:  

Updated:  3/31/98

Lasthenia glabrata  Lindl.

Ubiquity:  Very uncommon

Distritution:  Known only from Napa to American Canyon

Plant Communities:  Riparian, Coastal Salt Marsh

Habitats:  Moist, sunny, clayey, saline, marshy vernal pools/ & swales; in alluvial formations

Elevations:  5-300'

Comments:  

Updated:  3/31/98

Lasthenia minor  (DC.) Ornduff

Ubiquity:  Very uncommon

Distritution:  Once reported on Ink Grade

Plant Communities:  (Blue Oak Woodland?), Annual Grassland

Habitats:  Moist, sunny, wooded, grassy seeps/streamsides/ & slopes

Elevation:  ?

Comments:  Doubtful in Napa Co.  Confirmation & collection needed

Updated:  3/31/98