CNPS Inventory Plant Detail

Erigeron lassenianus var. deficiens

Common Name:	Plumas rayless daisy
Family:	Asteraceae
Synonyms:
Element Code:	PDAST3M262
Full Name:	Erigeron lassenianus Greene var. deficiens Cronquist
USDA PLANTS Symbol:

Biology
Lifeform: perennial herb Blooming Period: June - September Habitat: Gravelly, sometimes serpentinite, sometimes disturbed sites. • Lower montane coniferous forest

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: S2S3
S2: Imperiled. S3: Vulnerable.
Global Rank: G3G4T2T3
T2: Imperiled. T3: Vulnerable. G3: (species) Vulnerable. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 24
Element Occurrence Ranks:

A B C D X U

2 12 4 1 0 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
1	23

Presence:

Present Extant	Possibly Extirpated	Extirpated
24	0	0

Notes
Known mostly from Plumas NF. Potentially threatened by logging, vehicles, and habitat alteration. Plants on serpentinite may be unique; needs further study. See Brittonia 6(2):171 (1947) for original description. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 2012-09-28 Last Update: 2013-02-04

Location

Elevation: 1360 - 1980 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Plumas (PLU), Sierra (SIE)

Quads: name (DWR code) USGS code
La Porte (573B) 39120F8, Goodyears Bar (573C) 39120E8, American House (574A) 39121F1, Quincy (589B) 39120H8, Onion Valley (589C) 39120G8, Meadow Valley (590A) 39121H1, Haskins Valley (590C) 39121G2, Dogwood Peak (590D) 39121G1, Greenville (605B) 40120B8, Canyondam (606A) 40121B1, Almanor (606B) 40121B2, Twain (606D) 40121A1, Chester (624C) 40121C2

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

3744

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 .

-121.0,39.875