CNPS Inventory Plant Detail

Packera ganderi

Common Name:	Gander's ragwort
Family:	Asteraceae
Synonyms:	Senecio ganderi
Element Code:	PDAST8H1F0
Full Name:	Packera ganderi (T.M. Barkley & R.M. Beauch.) W.A. Weber & A. Love
USDA PLANTS Symbol:	PAGA5

Biology
Lifeform: perennial herb Blooming Period: April - June Habitat: • Chaparral (burns, gabbroic outcrops)

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: CR Rare (07/82) State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 14
Element Occurrence Ranks:

A B C D X U

4 3 0 1 1 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	11

Presence:

Present Extant	Possibly Extirpated	Extirpated
13	1	0

Notes

Known from fewer than twenty occurrences. Threatened by recreational activities, vehicles and trampling. See Senecio ganderi in The Jepson Manual (1993). See Brittonia 26:106-108 (1974) 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: 1974-01-01
Last Update: 2010-03-15

Location

Elevation: 400 - 1200 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Riverside (RIV), San Diego (SDG)

Quads: name (DWR code) USGS code
Barrett Lake (009B) 32116F6, Tecate (009C) 32116E6, Dulzura (010A) 32116F7, Cuyamaca Peak (020A) 32116H5, El Cajon Mtn. (021A) 32116H7, San Vicente Reservoir (021B) 32116H8, Alpine (021D) 32116G7, Mesa Grande (034A) 33116B7, Pechanga (050A) 33117D1

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

1464

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 .

-116.75,32.875