Taxon Report

Monardella sinuata Elvin & A.C. Sanders ssp. nigrescens Elvin & A.C. Sanders

northern curly-leaved monardella

Print Report

© 2014 John Doyen

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:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: (Apr)May-Jul(Aug-Sep)	(Apr)May-Jul(Aug-Sep)
Elevation:	0-300 (0-985)
General Habitats:	Chaparral, Coastal dunes, Coastal scrub, Lower montane coniferous forest
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


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

Occurrence Data from the CNDDB


Total Occurrences:	25
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	7
Fair (C)	5
Poor (D)	0
None (X)	1
Unknown (U)	12

Location


California Endemic: True
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)

Threat List Data from the CNDDB


Threat List Total:	6
EOs with Threat Listed:	Total EOs	% of EOs
	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%

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:

Selected References

CRPR List Addition on 2013-12-31

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].