Species Details

Monardella sinuata ssp. nigrescens

northern curly-leaved monardella

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Photo of Monardella sinuata ssp. nigrescens

Classification

Scientific Name: Monardella sinuata Elvin & A.C. Sanders ssp. nigrescens Elvin & A.C. Sanders
Common Name: northern curly-leaved monardella
Family:	Lamiaceae
Element Code:	PDLAM18162
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3T2
State Rank:	S2
Other Status:	BLM_S; SB_SBBG
CRPR Changes: added to 1B.2 on 2013-12-31
Add Date:	2013-12-31
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: (Apr)May-Jul(Aug-Sep)

Elevation:
0 - 300 meters
0 - 985 feet

General Habitats:

Chaparral (SCR Co.)
Coastal dunes
Coastal scrub
Lower montane coniferous forest (SCR Co., ponderosa pine sandhills)

Microhabitat Details:

Microhabitat:

Sandy

Notes

Notes: Threatened by non-native plants. Possibly threatened by development, habitat loss, habitat fragmentation, and climate shifts. Previously included in M. undulata. Similar to M. breweri and M. douglasii. See Novon 19(3):315-345 (2009) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	14	56 %
Non-native plant impacts	10	40%
Grazing	7	28%
Foot traffic/trampling	2	8%
Development	1	4%
ORV activity	1	4%
Road/trail construction/maint.	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
0	7	5	0	1	12

Occurrence Status:
Historical >20 Years	16
Recent <=20 Years	9

Presence:
Presumed Extant	24
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Monterey (MNT), San Francisco (SFO), Santa Cruz (SCR)

Quads: Name (Quad Code)
Drakes Bay (3812218), Felton (3712211), Laurel (3712118), Marina (3612167), Monterey (3612158), San Francisco South (3712264)*, Seaside (3612157), Tomales (3812228)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Addition on 2013-12-31