Taxon Report

Monardella australis Abrams ssp. jokerstii Elvin & A.C. Sanders

Jokerst's monardella

Print Report

Taxon Summary

Monardella australis ssp. jokerstii, commonly known as Jokerst's monardella, is a perennial rhizomatous herb in the Lamiaceae that is found only in California. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 1350 to 1750 meters. Monardella australis ssp. jokerstii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Monardella australis Abrams ssp. jokerstii Elvin & A.C. Sanders
Common Name:	Jokerst's monardella
Family:	Lamiaceae
Element Code:	PDLAM18112
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jul-Sep	Jul-Sep
Elevation:	1350-1750 (4430-5740)
General Habitats:	Chaparral, Lower montane coniferous forest
Microhabitat:	Alluvial Terraces, Scree, Slopes, Talus, Washes
Microhabitat Details:	Steep scree or talus slopes between breccia, drainages

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G4T1?
State Rank:	S1?
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	added to 1B.1 on 2011-12-06

Occurrence Data from the CNDDB


Total Occurrences:	3
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: True
California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Cucamonga Peak (3411725), Prado Dam (3311786)?, Telegraph Peak (3411735)

Threat List Data from the CNDDB


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

Notes



Known only from the San Gabriel Mtns. Possibly threatened by stochastic events, erosion, alteration of fire regimes, recreational activities, and road maintenance. Potentially threatened by energy development and mining. Intergrades with sspp. cinerea and australis. See Novon 19(3):315-343 (2009) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2011-12-06

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].