Taxon Report

Xanthisma junceum (Greene) D.R. Morgan & R.L. Hartman

rush-like bristleweed

Print Report

Classification


Scientific Name:	Xanthisma junceum (Greene) D.R. Morgan & R.L. Hartman
Common Name:	rush-like bristleweed
Family:	Asteraceae
Element Code:	PDAST641A0
USDA Plants Symbol:
Synonyms/Other Names:	Haplopappus junceus Greene Machaeranthera juncea (Greene) Shinners

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jan-Oct	Jan-Oct
Elevation:	240-1000 (785-3280)
General Habitats:	Chaparral, Coastal scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_CRES
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: False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Boucher Hill (3311638), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Escondido (3311711), Mesa Grande (3311627), Palomar Observatory (3311637), Potrero (3211655), Poway (3211781), Rodriquez Mtn. (3311628), San Pasqual (3311618)

Threat List Data from the CNDDB


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

Notes



See Bulletin of the California Academy of Sciences 1:190 (1885) for original description and SIDA 20(4):1406 (2003) for revised nomenclature.
Threats:

Taxonomy:
See Bulletin of the California Academy of Sciences 1:190 (1885) for original description and SIDA 20(4):1406 (2003) for revised nomenclature.

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 4 January 2025].