Taxon Details

Monardella stebbinsii

Stebbins' monardella

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Taxon Summary:

Monardella stebbinsii, commonly known as Stebbins' monardella, is a perennial rhizomatous herb in the Lamiaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral, and Lower montane coniferous forest, growing at elevations from 780 to 1100 meters. Monardella stebbinsii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Monardella stebbinsii Hardham & Bartel
Common Name: Stebbins' monardella
Family:	Lamiaceae
Element Code:	PDLAM180L0
USDA Plants Symbol:	MOST3
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_UCSC; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jul-Sep

Elevation:
780 - 1100 meters
2560 - 3610 feet

General Habitats:

Broadleafed upland forest
Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky
Serpentine

Notes

Notes: Known only from along the North Fork of the Feather River. Possibly threatened by mining and road maintenance. See Aliso 12(4):693-699 (1990) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	4	36 %
Road/trail construction/maint.	3	27%
Erosion/runoff	2	18%
Logging	2	18%
Mining	2	18%
Development	1	9%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					11
A	B	C	D	X	U
0	6	0	0	0	5

Occurrence Status:
Historical >20 Years	9
Recent <=20 Years	2

Presence:
Presumed Extant	11
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Plumas (PLU)

Quads: Name (Quad Code)
Caribou (4012112)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory