Species Details

Monardella undulata ssp. undulata

San Luis Obispo monardella

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Classification

Scientific Name: Monardella undulata Benth. ssp. undulata
Common Name: San Luis Obispo monardella
Family:	Lamiaceae
Element Code:	PDLAM180X0
USDA Plants Symbol:
Synonyms/Other Names: Monardella undulata Benth. var. frutescens Hoov. Monardella frutescens

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_SBBG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2023-01-13

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: May-Sep

Elevation:
10 - 200 meters
35 - 655 feet

General Habitats:

Coastal dunes
Coastal scrub (sandy)

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by coastal development and vehicles. Potentially threatened by non-native plants. Hybridizes with M. crispa. See Leaflets of Western Botany 5:179-182 (1949) for original description, and Phytologia 72(1):9-16 (1992) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	9	43 %
Non-native plant impacts	4	19%
ORV activity	4	19%
Road/trail construction/maint.	3	14%
Development	2	9%
Feral pigs	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					21
A	B	C	D	X	U
0	5	1	0	0	15

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	7

Presence:
Presumed Extant	21
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Luis Obispo (SLO), Santa Barbara (SBA)

Quads: Name (Quad Code)
Casmalia (3412075), Nipomo (3512014), Oceano (3512015), Orcutt (3412074), Point Arguello (3412056), Point Sal (3412086), Surf (3412065)

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