CNPS Inventory Plant Detail

Allium howellii var. clokeyi

Common Name:	Mt. Pinos onion
Family:	Alliaceae
Synonyms:
Element Code:	PMLIL02161
Full Name:	Allium howellii Eastw. var. clokeyi Traub
USDA PLANTS Symbol:	ALHOC

Biology
Lifeform: perennial bulbiferous herb Blooming Period: April - June Habitat: • Great Basin scrub • Pinyon and juniper woodland

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 9
Element Occurrence Ranks:

A B C D X U

1 0 0 0 0 8

Population Status:

Historic >20 yrs	Recent <=20 yrs
5	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
9	0	0

Notes
Threatened by mining, road maintenance, and vehicles. Possibly threatened by grazing and trampling. 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: 2011-02-08

Location

Elevation: 1300 - 1850 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Kern (KRN), Los Angeles (LAX) ?*, Santa Barbara (SBA), San Luis Obispo (SLO), Ventura (VEN)

Quads: name (DWR code) USGS code
Warm Springs Mountain (163D)?* 34118E5, Lockwood Valley (165A) 34119F1, San Guillermo (165B) 34119F2, Sawmill Mountain (190C) 34119G2, Cuddy Valley (190D) 34119G1, Ballinger Canyon (191B) 34119H4, Cuyama Peak (191C) 34119G4, Apache Canyon (191D) 34119G3, New Cuyama (192B) 34119H6, Hurricane Deck (193D) 34119G7

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

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 .

-119.25,34.75