Taxon Report

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

Tehachapi ragwort

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Taxon Summary

Packera ionophylla, commonly known as Tehachapi ragwort, is a perennial herb in the Asteraceae that is found only in California. It occurs within Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 1500 to 2700 meters. Packera ionophylla is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Packera ionophylla (Greene) W.A. Weber & A. Love
Common Name:	Tehachapi ragwort
Family:	Asteraceae
Element Code:	PDAST8H1T0
USDA Plants Symbol:	PAIO4
Synonyms/Other Names:	Senecio ionophyllus Greene

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	1500-2700 (4920-8860)
General Habitats:	Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat:	Granitic, Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX), San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear Lake (3411628), Butler Peak (3411731), Crystal Lake (3411737), Lake Arrowhead (3411732), Lebec (3411877), Moonridge (3411627), Onyx Peak (3411626), Pacifico Mountain (3411841), San Gorgonio Mtn. (3411617), Waterman Mtn. (3411738)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Potentially threatened by recreational activities. See Senecio ionophyllus in The Jepson Manual (1993). See Phytologia 49(1): 44-50 (1981) for revised nomenclature.
Threats:

Taxonomy:

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 5 November 2025].