Taxon Report

Packera indecora (Greene) Á. Löve & D. Löve

rayless mountain ragwort

Print Report

Taxon Summary

Packera indecora, commonly known as rayless mountain ragwort, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 1450 to 2000 meters. Packera indecora is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Packera indecora (Greene) Á. Löve & D. Löve
Common Name:	rayless mountain ragwort
Family:	Asteraceae
Element Code:	PDAST8H1R0
USDA Plants Symbol:	PAIN11
Synonyms/Other Names:	Senecio indecorus Greene

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	1450-2000 (4755-6560)
General Habitats:	Meadows and seeps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5
State Rank:	S2?
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	5
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	4

Location


California Endemic: False
California Counties and Islands: Name (Code)
Fresno (FRE), Lassen (LAS), Shasta (SHA), Sierra (SIE), Tulare (TUL)
Quads: Name (Quad Code)
Harvey Mtn. (4012161), Lassen Peak (4012145), Manzanita Lake (4012155), Mt. Darwin (3711826), Mt. Kaweah (3611854), Reading Peak (4012144), Webber Peak (3912044), West Prospect Peak (4012154)

Threat List Data from the CNDDB


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

Notes



Threatened by grazing. See Senecio indecorus in The Jepson Manual (1993). See Phytologia 49(1): 44-50 (1981) for revised nomenclature.
Threats:

Taxonomy:

Selected References

Packera indecora account for potential Species of Conservation Concern evaluation (2023)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 November 2025].