Plagiobothrys bracteatus  (J. Howell) I. M. Johnston

Ubiquity:  Common

Distritution:  Throughout except Napa Marsh

Plant Communities: Many

Habitats:  Moist to dry(?), grassy or brushy, sunny meadows/ditches/ & vernal pools; in volcanic & serpentine areas

Elevations: 100-2200'

Comments:

Updated:  1/5/98

Plagiobothrys canescens  Benth.

Ubiquity:  Common

Distritution:  NW1/4 & S1/2

Plant Communities: Blue Oak Woodland, Regular Chaparral, & Annual Grassland

Habitats: Dry, sunny, rocky, clayey, grassy & wooded or brushy slopes/plateaus/ & fields; in volcanic areas

Elevations: 320-1000'

Comments:  Intergrades with P. nothofulvus

Updated:  1/5/98

Plagiobothrys fulvus  (H. & A.) I. M. Johnston

Ubiquity:  Common

Distritution:  Throughout except Napa Marsh

Plant Communities: Blue Oak Woodland, Regular Chaparral, Coastal Prairie, Mixed Annual Grassland

Habitats:  Moist, sunny, gravelly or sandy, grassy, wooded or brushy slopes & fields; in volcanic, serpentine, & alluvial areas

Elevations: 300-2000'

Comments:

Updated:  1/5/98

Plagiobothrys greenei  (A. Gray) I. M. Johnston

Ubiquity:  Uncommon

Distritution:  Reported only from Mill Valley, Hwy. 12 (Sonoma Quad.), Barnett Rd., & Suscol Cr. (Cordelia Quad.)

Plant Communities: Mixed Evergreen Forest, Annual Grassland, Coastal Prairie

Habitats:  Moist or dry, sunny, grassy vernal pools & intertidal mud flats

Elevations: 300-1780'

Comments:

Updated:  1/5/98

Plagiobothrys nothofulvus  (A. Gray) A. Gray

Ubiquity:  Very common

Distritution:  Throughout

Plant Communities: Mixed Evergreen Forest, Blue Oak Woodland, & Annual Grassland

Habitats:  Dry, sunny, clayey, grassy or wooded slopes/ & fields; in volcanic and sedimentary areas

Elevations: 20-2400'

Comments:  Intergrades with P. canescens

Updated:  1/5/98

Plagiobothrys stipitatus  (E. Greene) I. M. Johnston

Ubiquity:  Uncommon?

Distritution: Reported from Napa, Skyline Park, Napa Junction, & Knoxville Area

Plant Communities: Blue Oak Woodland & Annual Grassland

Habitats:  Moist, sunny, clayey, alkaline, grassy swales/seeps/ or springs, & vernal pools; in volcanic, serpentine, & alluvial areas

Elevations:  15-60'  

Comments:  Collection needed.  Should be at Calistoga Geysers

Updated:  1/5/98

Plagiobothrys stipitatus  (E. Greene) I. M. Johnston

     var. micranthus (Piper) I. M. Johnston

Ubiquity:  Uncommon

Distritution: Reported from Pope Valley, Mt. St. Helena, Calistoga Geysers, Suscol, & Wildhorse Valley

Plant Communities: Mixed Evergreen Forest & Annual Grassland

Habitats:  Moist, sunny, clayey, alkaline, grassy swales/vernal pools/ & cultivated places; in alluvial areas

Elevations:  15-100'

Comments:  Collection needed

Updated:  1/5/98

Plagiobothrys strictus (E. Greene) I. M. Johnston

Ubiquity:  Very uncommon

Distritution: Known only from the area of Calistoga Geysers

Plant Communities: Hot springs

Habitats:  Moist, sunny, clayey, acidic, grassy fields on the valley floor, near geysers/hot springs

Elevations: 365-400'

Comments:  Not to be collected.  Rare and Endangered (FED-C1, STATE-CT, CNPS-1b)

Updated:  1/5/98

Plagiobothrys tenellus  (Nutt.) A. Gray

Ubiquity:  Common

Distritution: Throughout except Napa Marsh

Plant Communities: Mixed Evergreen Forest, Blue Oak Woodland, & Regular Chaparral

Habitats:  Dry, sunny, gravelly, grassy or brushy slopes; in volcanic & alluvial areas

Elevations: 250-1200'

Comments:

Updated: 1/5/98

Plagiobothrys tener  (E. Greene) I. M. Johnston

Ubiquity:  Common

Distribution:  N1/2 & SW1/4, except Napa Marsh 

Plant Communities: Mixed Evergreen Forest, Blue Oak Woodland, Regular Chaparral, Annual Grassland

Habitats:  Moist, sunny, clayey, grassy or brushy or wooded or forested; in volcanic, serpentine, & alluvial areas

Elevations: 100-1800'

Comments:

Updated:  1/5/98

Plagiobothrys undulatus  (Piper) I. M. Johnston

Ubiquity:  Very uncommon

Distritution: Reported only near Week's Lakes in Pope Valley

Plant Communities: Annual Grassland

Habitats:  Moist, sunny, gravelly creekbeds

Elevations: 620'

Comments:  Confirmation needed

Updated:  1/5/98