Taxon Report

Malacothrix incana (Nutt.) T. & G.

dunedelion

Print Report

Taxon Summary

Malacothrix incana, commonly known as dunedelion, is a perennial herb in the Asteraceae that is found only in California. It occurs within Coastal dunes, and Coastal scrub, growing at elevations from 2 to 35 meters. Malacothrix incana is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Malacothrix incana (Nutt.) T. & G.
Common Name:	dunedelion
Family:	Asteraceae
Element Code:	PDAST66070
USDA Plants Symbol:	MAIN
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Jan)Apr-Oct	(Jan)Apr-Oct
Elevation:	2-35 (5-115)
General Habitats:	Coastal dunes, Coastal scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3G4
State Rank:	S3S4
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)
San Luis Obispo (SLO), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Anacapa Island (3311983), Casmalia (3412075), Oceano (3512015), Point Sal (3412086), San Miguel Island East (3312083), San Miguel Island West (3312084), San Nicolas Island (3311924), Santa Rosa Island East (3311988), Santa Rosa Island North (3312081), Santa Rosa Island West (3312082), Surf (3412065)

Threat List Data from the CNDDB


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

Notes



Last collected on SCZ Isl in the 1880's. See American Midland Naturalist 58(2):506 (1957) for taxonomic treatment.
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 6 February 2025].