Taxon Report

Monardella saxicola

rock monardella

Print Report

Taxon Summary

Monardella saxicola, commonly known as rock monardella, is a perennial rhizomatous herb in the Lamiaceae that is found only in California. It occurs within Chaparral, Closed-cone coniferous forest, and Lower montane coniferous forest, growing at elevations from 500 to 1800 meters. Monardella saxicola is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Monardella saxicola
Common Name:	rock monardella
Family:	Lamiaceae
Element Code:	PDLAM180Q1
USDA Plants Symbol:
Synonyms/Other Names:	Monardella viridis ssp. saxicola

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	500-1800 (1640-5905)
General Habitats:	Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest
Microhabitat:	Rocky, Serpentine (usually)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	USFS_S
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)
Los Angeles (LAX), San Bernardino (SBD)
Quads: Name (Quad Code)
Devore (3411724), Mt. Baldy (3411726)

Threat List Data from the CNDDB


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

Notes



Threatened by development and road maintenance. Possibly threatened by mining and recreational activities.
Threats:
Threatened by development and road maintenance. Possibly threatened by mining and recreational activities.
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 30 October 2025].