Taxon Report

Navarretia gowenii L.A. Johnson

Lime Ridge navarretia

Print Report

Classification


Scientific Name:	Navarretia gowenii L.A. Johnson
Common Name:	Lime Ridge navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C120
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jun	May-Jun
Elevation:	180-305 (590-1000)
General Habitats:	Chaparral
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_UCBG
CRPR Changes:	added to 1B.1 on 2008-05-15

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Contra Costa (CCA), Stanislaus (STA)
Quads: Name (Quad Code)
Clayton (3712188), Crevison Peak (3712122)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	2	67 %
Recreational use (non-ORV)	2	66%
Wood cutting or brush clearing	1	33%
Other	1	33%

Notes



Known from only four occurrences. Possibly threatened by recreational activities. Potentially threatened by radio tower maintenance and associated vegetation management. Not in The Jepson Manual (1993). See Novon 17(4): 454-461 (2007) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2008-05-15

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].