Taxon Details

Monardella breweri ssp. microcephala

small-headed monardella

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Taxon Summary:

Monardella breweri ssp. microcephala, commonly known as small-headed monardella, is a annual herb in the Lamiaceae that is found in California and elsewhere. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 230 to 1200 meters. Monardella breweri ssp. microcephala is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Monardella breweri A. Gray ssp. microcephala (A. Gray) Elvin & A. C. Sanders
Common Name: small-headed monardella
Family:	Lamiaceae
Element Code:	PDLAM180B3
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G5T3
State Rank:	S2
Other Status:
CRPR Changes: added to 2B.2 on 2022-07-22
Add Date:	2022-07-22
Date Edited:	2023-01-13

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Aug

Elevation:
230 - 1200 meters
755 - 3935 feet

General Habitats:

Chaparral
Cismontane woodland
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Disturbed areas (sometimes)
Granitic
Openings

Notes

Notes: Most occurrences historical; needs field work. Fire effects need study.
Threats:
Taxonomy: Intergrades extensively with M. breweri ssp. lanceolata in SDG Co.; plants from north of the Jacumba Mtns. are ± intermediate.

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					9
A	B	C	D	X	U
0	0	0	0	0	9

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	2

Presence:
Presumed Extant	9
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Cameron Corners (3211664), Campo (3211654), Descanso (3211675), Morena Reservoir (3211665), Mount Laguna (3211674), Potrero (3211655), San Vicente Reservoir (3211688), Tecate (3211656)

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 Status Review:	Proposed Addition to California Rare Plant Rank 2B.3, G4 T3 / S2
Original Description:	Synoptical Flora of North America, 2nd ed., 2(1): 459 (1886)
Revised Nomenclature:	Novon 19(3): 337 (2009)
Taxonomic Treatment:	Annals of the Missouri Botanical Garden 12: 84 (1925)

CNPS Rare Plant Inventory