CNPS Inventory Plant Detail

Cirsium fontinale var. campylon

Common Name:	Mt. Hamilton fountain thistle
Family:	Asteraceae
Synonyms:	Cirsium campylon
Element Code:	PDAST2E163
Full Name:	Cirsium fontinale Greene var. campylon (H.K. Sharsm.) Keil & C. Turner
USDA PLANTS Symbol:	CIFOC

Biology
Lifeform: perennial herb Blooming Period: February - October Habitat: serpentinite seeps. • Chaparral • Cismontane woodland • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G2T2 T2: Imperiled. G2: (species) Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 39
Element Occurrence Ranks:

A B C D X U

8 14 6 0 0 11

Population Status:

Historic >20 yrs	Recent <=20 yrs
16	23

Presence:

Present Extant	Possibly Extirpated	Extirpated
39	0	0

Notes
Threatened by urbanization, trampling, non-native plants, and grazing. Possibly threatened by recreational activities. See Phytologia 73(4):312-317 (1992) for revised nomenclature. 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: 2010-08-16

Location

Elevation: 100 - 890 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Alameda (ALA), Santa Clara (SCL), Stanislaus (STA)

Quads: name (DWR code) USGS code
Mt. Sizer (406A)* 37121B5, Morgan Hill (406B) 37121B6, Santa Teresa Hills (407A) 37121B7, Los Gatos (407B) 37121B8, Mt. Boardman (425B) 37121D4, Eylar Mtn. (426A) 37121D5, Lick Observatory (426C) 37121C6, Isabel Valley (426D) 37121C5, San Jose East (427D) 37121C7, Cedar Mtn. (445D) 37121E5

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

480

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-121.625,37.25