Species Details

Navarretia prostrata

prostrate vernal pool navarretia

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Classification

Scientific Name: Navarretia prostrata (Gray) Greene
Common Name: prostrate vernal pool navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C0Q0
USDA Plants Symbol:	NAPR2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S
CRPR Changes: changed from 1B.1 to 1B.2 on 2019-08-27
Add Date:	2001-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jul

Elevation:
3 - 1210 meters
10 - 3970 feet

General Habitats:

Coastal scrub
Meadows and seeps
Valley and foothill grassland (alkaline)
Vernal pools

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: Threatened by development, vehicles, road maintenance, grazing, non-native plants, and feral pigs. See Proceedings of the American Academy of Arts and Sciences 17:223 (1881) for original description, and Pittonia 1:130 (1887) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	16
	Total EOs	% of EOs
EOs with Threat Listed:	45	74 %
Non-native plant impacts	25	40%
Grazing	24	39%
Road/trail construction/maint.	16	26%
Feral pigs	10	16%
Development	9	14%
Other	8	13%
ORV activity	6	9%
Foot traffic/trampling	6	9%
Military operations	6	9%
Erosion/runoff	2	3%
Altered flood/tidal/hydrologic regime	1	1%
Dam/Inundation	1	1%
Mining	1	1%
Recreational use (non-ORV)	1	1%
Vandalism/dumping/litter	1	1%
Wood cutting or brush clearing	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					61
A	B	C	D	X	U
3	9	2	0	9	38

Occurrence Status:
Historical >20 Years	50
Recent <=20 Years	11

Presence:
Presumed Extant	52
Possibly Extirpated	6
Presumed Extirpated	3

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Alameda (ALA), Fresno (FRE), Los Angeles (LAX), Merced (MER), Monterey (MNT), Orange (ORA), Riverside (RIV), San Benito (SBT), San Bernardino (SBD)(?), San Diego (SDG), San Luis Obispo (SLO)

Quads: Name (Quad Code)
Arena (3712036), Bradley (3512077), Bryson (3512171), Guasti (3411715)(?), Gustine (3712038), Hames Valley (3512088), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Hollywood (3411813), Idria (3612046), Inglewood (3311883), Joaquin Rocks (3612034), Jolon (3512182), La Jolla (3211772), La Mesa (3211771), Laguna Beach (3311757), Livermore (3712167), Long Beach (3311872), Los Angeles (3411812)(?), Los Banos (3712017), Milpitas (3712148), Murrieta (3311752), National City (3211761), Newport Beach (3311768), Ontario (3411716)(?), Rock Spring Peak (3612048), San Clemente (3311745), San Felipe (3612184), San Luis Ranch (3712027), Santa Rita Peak (3612035), South Gate (3311882), Stevinson (3712037), Tierra Redonda Mountain (3512078), Torrance (3311873), Turner Ranch (3712026), Venice (3311884), Whittier (3311881), Wildomar (3311753), Williams Hill (3512181)

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