Taxon Report

Senecio clevelandii Greene var. clevelandii

Cleveland's ragwort

Print Report

Taxon Summary

Senecio clevelandii var. clevelandii, commonly known as Cleveland's ragwort, is a perennial herb in the Asteraceae that is found only in California. It occurs within Chaparral (seeps, and serpentinite), growing at elevations from 365 to 900 meters. Senecio clevelandii var. clevelandii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Senecio clevelandii Greene var. clevelandii
Common Name:	Cleveland's ragwort
Family:	Asteraceae
Element Code:	PDAST8H0R1
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	365-900 (1200-2955)
General Habitats:	Chaparral
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4?T3Q
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
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)
Colusa (COL), Lake (LAK), Napa (NAP)
Quads: Name (Quad Code)
Gilmore Peak (3912235), Hough Springs (3912225), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Salt Canyon (3912213), Wilbur Springs (3912214), Wilson Valley (3812284)

Threat List Data from the CNDDB


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

Notes



See Senecio clevelandii in The Jepson Manual (1993). See Bulletin of the Torrey Botanical Club 10:87 (1883) for original description. 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 2 August 2025].