Species Details

Cirsium fontinale var. fontinale

fountain thistle

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Classification

Scientific Name: Cirsium fontinale (Greene) Jeps. var. fontinale
Common Name: fountain thistle
Family:	Asteraceae
Element Code:	PDAST2E161
USDA Plants Symbol:	CIFOF
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (1995-02-03)
State List:	CE (1979-07-01)
Global Rank:	G2T1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Apr)May-Oct

Elevation:
45 - 175 meters
150 - 575 feet

General Habitats:

Chaparral (openings)
Cismontane woodland
Meadows and seeps
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Seeps
Serpentine

Notes

Notes: 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.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	5	100 %
Non-native plant impacts	4	80%
Vandalism/dumping/litter	3	60%
Development	2	40%
Other	2	40%
Road/trail construction/maint.	2	40%
Altered flood/tidal/hydrologic regime	1	20%
Recreational use (non-ORV)	1	20%
Foot traffic/trampling	1	20%
Hybridization	1	20%
ORV activity	1	20%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					5
A	B	C	D	X	U
0	1	3	0	1	0

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	3

Presence:
Presumed Extant	4
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Mateo (SMT)

Quads: Name (Quad Code)
Palo Alto (3712242), San Mateo (3712253), Woodside (3712243)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory