Taxon Report

Syntrichopappus lemmonii (Gray) Gray

Lemmon's syntrichopappus

Print Report

Taxon Summary

Syntrichopappus lemmonii, commonly known as Lemmon's syntrichopappus, is a annual herb in the Asteraceae that is found only in California. It occurs within Chaparral, Joshua tree "woodland", and Pinyon and juniper woodland, growing at elevations from 500 to 1830 meters. Syntrichopappus lemmonii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Syntrichopappus lemmonii (Gray) Gray
Common Name:	Lemmon's syntrichopappus
Family:	Asteraceae
Element Code:	PDAST90020
USDA Plants Symbol:	SYLE
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May(Jun)	Apr-May(Jun)
Elevation:	500-1830 (1640-6005)
General Habitats:	Chaparral, Joshua tree "woodland", Pinyon and juniper woodland
Microhabitat:	Gravelly (sometimes), Sandy (sometimes)
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), Monterey (MNT), Riverside (RIV), San Bernardino (SBD), Ventura (VEN)
Quads: Name (Quad Code)
Apache Canyon (3411973), Burro Mountain (3512173), Butler Peak (3411731), Cajon (3411734), Cane Canyon (3511852), Catclaw Flat (3411616), Idyllwild (3311666), Juniper Hills (3411748), La Liebre Ranch (3411876), Lake Arrowhead (3411732), Lebec (3411877), Littlerock (3411758), Pacifico Mountain (3411841), Palm View Peak (3311665), Sawmill Mountain (3411972), Silverwood Lake (3411733), Tehachapi South (3511814), Telegraph Peak (3411735), Valyermo (3411747), Willow Springs (3411883)

Threat List Data from the CNDDB


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

Notes



Potentially threatened by non-native plants and vehicles. Possibly threatened by wind energy development.
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 3 May 2025].