CNPS Inventory Plant Detail

*The database used to provide updates to the Online Inventory is under construction. View updates and changes made since May 2019 here.

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

2011 Scott Cox

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

Rarity Status
California Rare Plant Rank: 1B.1 Rare 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 CDFW
California Natural Diversity Database

Total # of Known Element Occurrences: 5
Element Occurrence Ranks:

A B C D X U

0 1 3 0 1 0

Population Status:

Historic >20 yrs	Recent <=20 yrs
1	4

Presence:

Present Extant	Possibly Extirpated	Presumed 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

Other States:

California Counties and Islands: name (code)
San Mateo (SMT)

Quads: name (DWR code) USGS code
Palo Alto (428B) 3712242, Woodside (429A) 3712243, San Mateo (448D) 3712253

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. This data should NOT be substituted for pre-project review or for on-site surveys.

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
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

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