Taxon Report

Navarretia ojaiensis Elvin, J.M. Porter & L.M. Johnson

Ojai navarretia

Print Report

Taxon Summary

Navarretia ojaiensis, commonly known as Ojai navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Chaparral (openings), Coastal scrub (openings), and Valley and foothill grassland, growing at elevations from 275 to 620 meters. Navarretia ojaiensis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Navarretia ojaiensis Elvin, J.M. Porter & L.M. Johnson
Common Name:	Ojai navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C130
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jul	May-Jul
Elevation:	275-620 (900-2035)
General Habitats:	Chaparral, Coastal scrub, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:	added to 1B.1 on 2008-05-15

Occurrence Data from the CNDDB


Total Occurrences:	22
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	2
Fair (C)	1
Poor (D)	0
None (X)	2
Unknown (U)	14

Location


California Endemic: True
California Counties and Islands: Name (Code)
Los Angeles (LAX), Ventura (VEN)
Quads: Name (Quad Code)
Calabasas (3411826), Malibu Beach (3411816), Matilija (3411943), Newbury Park (3411828), Ojai (3411942), Point Dume (3411817), Thousand Oaks (3411827), Triunfo Pass (3411818)?, Val Verde (3411846), Ventura (3411933)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	5	23 %
Development	3	13%
Road/trail construction/maint.	2	9%
Wood cutting or brush clearing	2	9%

Notes




Threats:
Severely threatened by development and grazing. Possibly threatened by non-native plants.
Taxonomy:
See Novon 17(4): 454-461 (2007) for original description.

Selected References

CRPR List Addition on 2008-05-15

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 October 2025].