Taxon Report

Navarretia jepsonii V. Bailey

Jepson's navarretia

Print Report

Taxon Summary

Navarretia jepsonii, commonly known as Jepson's navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Valley and foothill grassland, growing at elevations from 175 to 855 meters. Navarretia jepsonii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Navarretia jepsonii V. Bailey
Common Name:	Jepson's navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C0D0
USDA Plants Symbol:	NAJE
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	175-855 (575-2805)
General Habitats:	Chaparral, Cismontane woodland, Valley and foothill grassland
Microhabitat:	Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Napa (NAP), Yolo (YOL)
Quads: Name (Quad Code)
Aetna Springs (3812264), Glascock Mtn. (3812283), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Middletown (3812275), Upper Lake (3912228), Walter Springs (3812263), Whispering Pines (3812276), Wilbur Springs (3912214), Wilson Valley (3812284)

Threat List Data from the CNDDB


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

Notes



Possibly threatened by non-native plants.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 16 November 2025].