Cirsium fontinale var. fontinale
Common Name: Crystal Springs fountain thistle
Family: Asteraceae
Element Code: PDAST2E161
Full Name: Cirsium fontinale (Greene) Jeps. var. fontinale

2011 Scott Cox
Biology Glossary
  • Lifeform: perennial herb
  • Blooming Period: April - October
  • Habitat: Serpentinite seeps.
    • Chaparral (openings)
    • Cismontane woodland
    • Meadows and seeps
    • Valley and foothill grassland
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 5
  • Element Occurrence Ranks:
    A B C D X U
    0 1 3 0 1 0
  • Population Status:
    >20 yrs
    <=20 yrs
    1 4
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    4 1 0
Notes Glossary
  • Known only from the vicinity of Crystal Springs Reservoir. Seriously threatened by urbanization, foot traffic, dumping, road maintenance, non-native plants, and hydrological alterations. See Bulletin of the California Academy of Sciences 2:151-152 (1886) for original description.
  • 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: 2015-01-07
Location Glossary
  • Elevation: 45 - 175 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    San Mateo (SMT)
  • Quads:   name (DWR code) USGS code
    Palo Alto (428B) 37122D2,  Woodside (429A) 37122D3,  San Mateo (448D) 37122E3
  • 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 483
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 [accessed ].

37122D2=Palo Alto (428B) 37122D2;37122D3=Woodside (429A) 37122D3;37122E3=San Mateo (448D) 37122E3