Lepidium campestre  (L.) R. Br.

Ubiquity:  Very uncommon

Distritution:  Once found along the road to Friesen's Lakes

Plant Communities:  Ruderal

Habitats:  Dry, sunny, rocky, weedy, disturbed places like waste areas/fields/roadsides

Elevations:  360'  

Comments:  Non-native.  Collection needed

Updated:  1/15/98

Lepidium dictyotum  A. Gray  var. acutidens  A. Gray

Ubiquity:  Very uncommon

Distritution:  Known only at Calistoga Geysers

Plant Communities:  Hot Springs

Habitats:  Dry or moist(?), sunny, clayey, acidic, grassy valley floors

Elevations:  360-400'

Comments:  Collection needed

Updated:  1/15/98

Lepidium latifolium  L.

Ubiquity:  Very uncommon

Distritution:  Known only at J.F.K. Memorial Park & Berryessa to Knoxville Rd. in the Walter Springs Quad.

Plant Communities:  Coastal Salt Marsh, Blue Oak Woodland, Ruderal

Habitats:  Dry or moist, sunny, saline or not, marshy or wooded waste areas/dikes; in disturbed locations like berms/roadsides

Elevations:  10-700'

Comments:  Non-native

Updated:  1/15/98

Lepidium latipes  Hook.

Ubiquity:  Uncommon

Distritution:  Morgan Valley to Harris Canyon, & Calistoga Geysers

Plant Communities:  Annual Grassland, Ruderal(?)

Habitats:  Dry, sunny, clayey, grassy, ultramafic slopes & landslides; in areas of detrital serpentine (= ancient mudflows)

Elevations:  400-1500'

Comments:  Limited Distribution (CNPS-4).  Confirmation needed for Calistoga Geysers

Updated:  1/15/98

Lepidium nitidum  Nutt.

Ubiquity:  Very common

Distritution:  Throughout except Napa Marsh

Plant Communities:  Annual Grassland, Regular & Serpentine Chaparral

Habitats:  Dry to moist, sunny, clayey, ultramafic or not, grassy summits/slopes/ & flats; in areas of serpentine or not

Elevations:  100-2398'

Comments:  

Updated:  1/15/98

Lepidium oxycarpum  T. & G.

Ubiquity:  Very uncommon

Distritution:  Once reported for Calistoga Geysers on Tubbs Ln.; found near American Canyon Creek

Plant Communities:  Annual Grassland(?), Coastal Prairie

Habitats:  Moist, sunny, grassy areas?

Elevations:  ?-400'

Comments:  Collection needed

Updated:  1/15/98

Lepidium strictum  (S. Wats.) Rattan

Ubiquity:  Uncommon

Distritution:  From Calistoga to Napa, & Campbell Flat

Plant Communities:  Ruderal

Habitats:  Dry, sunny, grassy, weedy, waste areas; in disturbed places

Elevations:  100-1700'

Comments:  

Updated:  1/15/98

Lepidium virginicum  L. var. ?

Ubiquity:  Very uncommon

Distritution:  Once reported to grow in St. Helena

Plant Communities:  Ruderal

Habitats:  Dry, sunny, weedy, waste areas; in disturbed places like roadsides

Elevations:  250'?

Comments:  Non-native.  Collection needed.  Munz & Keck report Napa Co.

Updated:  2/3/98