Species Details

Lessingia micradenia var. glabrata

smooth lessingia

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Photo of Lessingia micradenia var. glabrata

Classification

Scientific Name: Lessingia micradenia Greene var. glabrata (Keck) Ferris
Common Name: smooth lessingia
Family:	Asteraceae
Element Code:	PDAST5S062
USDA Plants Symbol:	LEMIG
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2T2
State Rank:	S2
Other Status:	SB_BerrySB; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2022-02-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: (Apr-Jun)Jul-Nov

Elevation:
120 - 420 meters
395 - 1380 feet

General Habitats:

Chaparral
Cismontane woodland
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Roadsides (often)
Serpentine

Notes

Notes: Potentially threatened by development and vehicles. Possibly threatened by non-native plants. See Aliso 4:105 (1958) for original description, and Contributions from the Dudley Herbarium 5:101 (1958) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	11
	Total EOs	% of EOs
EOs with Threat Listed:	35	80 %
Non-native plant impacts	22	50%
Other	10	22%
Road/trail construction/maint.	10	22%
Foot traffic/trampling	8	18%
Grazing	8	18%
Recreational use (non-ORV)	6	13%
Development	4	9%
Feral pigs	3	6%
Waterway bank protection/maintenance	2	4%
Erosion/runoff	2	4%
ORV activity	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					44
A	B	C	D	X	U
12	18	4	0	0	10

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	31

Presence:
Presumed Extant	44
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Santa Clara (SCL)

Quads: Name (Quad Code)
Gilroy (3712115), Gilroy Hot Springs (3712114), Loma Prieta (3712117), Los Gatos (3712128), Morgan Hill (3712126), Mt. Madonna (3712116), Mt. Sizer (3712125), San Jose East (3712137), Santa Teresa Hills (3712127)

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