CNPS Inventory Plant Detail

Lewisia cotyledon var. heckneri

Common Name:	Heckner's lewisia
Family:	Montiaceae
Synonyms:
Element Code:	PDPOR04052
Full Name:	Lewisia cotyledon (Wats.) Rob. var. heckneri (Mort.) Munz
USDA PLANTS Symbol:	LECOH

Biology
Lifeform: perennial herb Blooming Period: May - July Habitat: • Lower montane coniferous forest (rocky)

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: S2.2 S2: Imperiled. .2: Threatened. 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: 22
Element Occurrence Ranks:

A B C D X U

1 3 0 0 0 18

Population Status:

Historic >20 yrs	Recent <=20 yrs
18	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
22	0	0

Notes
Range overlaps with other varieties; identification difficult. Possibly threatened by road widening and recreational activities. 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: 2011-08-17

Location

Elevation: 225 - 2100 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Humboldt (HUM), Siskiyou (SIS), Trinity (TRI)

Quads: name (DWR code) USGS code
Hoosimbim Mtn. (649C) 40122E8, Junction City (650A) 40123F1, Hayfork Bally (650B) 40123F2, Siligo Peak (667B) 40122H8, Rush Creek Lakes (667C) 40122G8, Mt. Hilton (668A) 40123H1, Thurston Peaks (668B) 40123H2, Helena (668C) 40123G2, Dedrick (668D) 40123G1, Jim Jam Ridge (669A) 40123H3, Denny (669B) 40123H4, Ironside Mtn. (669C) 40123G4, Del Loma (669D) 40123G3, Carrville (683C) 41122A6, Whisky Bill Peak (683D) 41122A5, Caribou Lake (684C) 41122A8, Thompson Peak (685D) 41123A1, Orleans Mtn. (703C) 41123C4, Huckleberry Mtn. (720A) 41123F3, Deadman Point (737B) 41123H4, Happy Camp (737C) 41123G4, Preston Peak (738D) 41123G5

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

688

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 .

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