Plagiobothrys strictus
Common Name: Calistoga popcorn-flower
Family: Boraginaceae
Synonyms:
Element Code: PDBOR0V120
Full Name: Plagiobothrys strictus (Greene) Jtn.
USDA PLANTS Symbol: PLST2

Biology Glossary
  • Lifeform: annual herb
  • Blooming Period: March - June
  • Habitat: alkaline areas near thermal springs.
    • Meadows and seeps
    • Valley and foothill grassland
    • Vernal pools
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 3
  • Element Occurrence Ranks:
    A B C D X U
    0 2 0 0 0 1
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    2 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    3 0 0
Notes Glossary
  • Known from only two extant occurrences near Calistoga. Threatened by urbanization, recreational activities, and airport maintenance.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 90 - 160 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Napa (NAP)
  • Quads:   name (DWR code) USGS code
    Calistoga (517D) 38122E5
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 1260
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].
-122.5,38.5

CA
38122E5=Calistoga (517D) 38122E5