CNPS Inventory Plant Detail

Packera eurycephala var. lewisrosei

Common Name:	Lewis Rose's ragwort
Family:	Asteraceae
Synonyms:	Senecio eurycephalus var. lewisrosei
Element Code:	PDAST8H182
Full Name:	Packera eurycephala (Torr. & A. Gray) W.A. Weber & A. Love var. lewisrosei (J.T. Howell) J.F. Bain
USDA PLANTS Symbol:	PAEUL

Biology
Lifeform: perennial herb Blooming Period: March - September Habitat: serpentinite. • Chaparral • Cismontane woodland • Lower montane coniferous forest

Rarity Status
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: 30
Element Occurrence Ranks:

A B C D X U

4 19 2 0 0 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
4	26

Presence:

Present Extant	Possibly Extirpated	Extirpated
30	0	0

Notes

Threatened by mining, road maintenance, and vehicles. Taxonomic study needed. See Senecio eurycephalus var. lewisrosei in The Jepson Manual (1993). See Leaflets of Western Botany 3(6):141-142 (1942) for original description. See Phytologia 49(1): 44-50 (1981) 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: 1984-01-01
Last Update: 2010-03-15

Location

Elevation: 274 - 1890 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Butte (BUT), Plumas (PLU)

Quads: name (DWR code) USGS code
Berry Creek (575B) 39121F4, Cherokee (576A) 39121F5, Pulga (591C) 39121G4, Stirling City (592A) 39121H5, Paradise East (592D) 39121G5, Almanor (606B) 40121B2, Caribou (606C) 40121A2, Jonesville (607C) 40121A4, Belden (607D) 40121A3

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

1462

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-121.375,39.75