Taxon Report

Packera bernardina (Greene) W.A. Weber & A. Love

San Bernardino ragwort

Print Report

Taxon Summary

Packera bernardina, commonly known as San Bernardino ragwort, is a perennial herb in the Asteraceae that is found only in California. It occurs within Meadows and seeps (mesic, sometimes alkaline), Pebble (Pavement) plain, and Upper montane coniferous forest, growing at elevations from 1800 to 2300 meters. Packera bernardina is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Packera bernardina (Greene) W.A. Weber & A. Love
Common Name:	San Bernardino ragwort
Family:	Asteraceae
Element Code:	PDAST8H0E0
USDA Plants Symbol:	PABE7
Synonyms/Other Names:	Senecio bernardinus Greene

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jul	May-Jul
Elevation:	1800-2300 (5905-7545)
General Habitats:	Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	35
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	5
Fair (C)	6
Poor (D)	1
None (X)	1
Unknown (U)	21

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Butler Peak (3411731), Fawnskin (3411638), Keller Peak (3411721), Moonridge (3411627)

Threat List Data from the CNDDB


Threat List Total:	9
EOs with Threat Listed:	Total EOs	% of EOs
	16	46 %
Development	6	17%
Mining	5	14%
Foot traffic/trampling	4	11%
ORV activity	4	11%
Recreational use (non-ORV)	3	8%
Road/trail construction/maint.	1	2%
Wood cutting or brush clearing	1	2%
Grazing	1	2%
Non-native plant impacts	1	2%

Notes



Threatened by development, foot traffic, grazing, mining, recreational activities, and vehicles. See Senecio bernardinus in TJM (1993). See Phytologia 49(1):44-50 (1981) for revised nomenclature.
Threats:
Threatened by development, foot traffic, grazing, mining, recreational activities, and vehicles.
Taxonomy:
See Senecio bernardinus in TJM (1993).

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 October 2025].