Species Details

Limnanthes floccosa ssp. californica

Butte County meadowfoam

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Photo of Limnanthes floccosa ssp. californica

2014 Jennifer Buck

Classification

Scientific Name: Limnanthes floccosa Howell ssp. californica Arroyo
Common Name: Butte County meadowfoam
Family:	Limnanthaceae
Element Code:	PDLIM02042
USDA Plants Symbol:	LIFLC2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (1992-06-08)
State List:	CE (1982-02-01)
Global Rank:	G4T1
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2024-04-12

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-May

Elevation:
46 - 930 meters
150 - 3050 feet

General Habitats:

Valley and foothill grassland (mesic)
Vernal pools

Microhabitat Details:

Microhabitat:

Notes

Notes: See Brittonia 25:187 (1973) for original description, and Conservation Biology 6(4):549-558 (1992) for field survey and genetic information.
Threats: Threatened by urbanization, road construction, grazing, non-native plants, vehicles, and agriculture.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	16	76 %
Grazing	12	57%
Development	9	42%
Road/trail construction/maint.	6	28%
Foot traffic/trampling	4	19%
Non-native plant impacts	3	14%
Other	3	14%
Agriculture	2	9%
Surface water diversion	2	9%
ORV activity	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					21
A	B	C	D	X	U
3	7	3	3	0	5

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	19

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)
Butte (BUT)

Quads: Name (Quad Code)
Chico (3912167), Nord (3912178), Oroville (3912155), Richardson Springs (3912177), Shippee (3912156)

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