CNPS Inventory Plant Detail

Xylorhiza cognata

Common Name:	Mecca-aster
Family:	Asteraceae
Synonyms:	Machaeranthera cognata
Element Code:	PDASTA1010
Full Name:	Xylorhiza cognata (Hall) T.J. Watson
USDA PLANTS Symbol:	XYCO2

Biology
Lifeform: perennial herb Blooming Period: January - June Habitat: • Sonoran desert scrub

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: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 36
Element Occurrence Ranks:

A B C D X U

0 6 11 0 0 19

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	33

Presence:

Present Extant	Possibly Extirpated	Extirpated
36	0	0

Notes

Known mostly from Indio Hills and Mecca Hills. Threatened by vehicles. Potentially threatened by development. Possibly threatened by recreational activities and vehicles. See Brittonia 29:199-216 (1977) for revised nomenclature and description.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1980-01-01
Last Update: 2012-05-15

Location

Elevation: 20 - 400 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Imperial (IMP), Riverside (RIV)

Quads: name (DWR code) USGS code
Lion Head Mtn. (043D) 33115C3, Seventeen Palms (046D) 33116C1, Red Canyon (062C) 33115E6, Cottonwood Spring (063A) 33115F7, Cottonwood Basin (063B) 33115F8, Mortmar (063C) 33115E8, Thermal Canyon (064A) 33116F1, Indio (064B) 33116F2, Mecca (064D) 33116E1, West Berdoo Canyon (081C) 33116G2, Cathedral City (082C) 33116G4, Myoma (082D) 33116G3, Palm Springs (083D) 33116G5

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

1549

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 .

-116.0,33.625