CNPS Inventory Plant Detail

Cirsium fontinale var. fontinale

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

Biology
Lifeform: perennial herb Blooming Period: April - October Habitat: Serpentinite seeps. • Chaparral (openings) • Cismontane woodland • Meadows and seeps • Valley and foothill grassland

Rarity Status
Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: FE Endangered (02/03/95) State Listing Status: CE Endangered (07/79) State Rank: S1 S1: Critically Imperiled. Global Rank: G2T1 T1: Critically Imperiled. G2: (species) Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
1	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
4	1	0

Notes

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

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
USDA PLANTS Calflora Consortium of California Herbaria CalPhotos California Department of Fish and Wildlife: CNDDB Quick Viewer

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 ].

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