Taxon Report

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

San Gabriel Mountains monardella

Print Report

Taxon Summary

Monardella australis ssp. gabrielensis, commonly known as San Gabriel Mountains monardella, is a shrub in the Lamiaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral (montane), and Lower montane coniferous forest, growing at elevations from 1600 to 2200 meters. Monardella australis ssp. gabrielensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Monardella australis Abrams ssp. gabrielensis Elvin & A.C. Sanders
Common Name:	San Gabriel Mountains monardella
Family:	Lamiaceae
Element Code:	PDLAM18114
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	shrub
Blooming Period: Jul-Sep	Jul-Sep
Elevation:	1600-2200 (5250-7220)
General Habitats:	Broadleafed upland forest, Chaparral, Lower montane coniferous forest
Microhabitat:	Granitic, Openings
Microhabitat Details:	outcrops

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G4T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 1B.2 on 2022-05-23

Occurrence Data from the CNDDB


Total Occurrences:	14
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	14

Location


California Endemic: False
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Chilao Flat (3411831), Crystal Lake (3411737), Juniper Hills (3411748), Pacifico Mountain (3411841), Waterman Mtn. (3411738)

Threat List Data from the CNDDB


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

Notes




Threats:

Taxonomy:
Intergrades with M. australis sspp. australis and cinerea and M. linoides ssp. erecta. Most similar to M. australis ssp. australis; differs in having green to stramineous bracts (vs. purple or rose-tinged) that are shorter (mostly 6.5–9 vs. 12–18 mm) and narrower (2–4.5 vs. 4–8 mm), shorter calyces (7–8 vs. 8.5–10 mm), and in lacking non-glandular calyx trichomes.

Selected References

Proposed Addition to California Rare Plant Rank 4.3, G4T3 / S3 (2022)

Novon 23(4): 417 (2015)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 October 2025].