Taxon Report

Navarretia myersii P.S. Allen & Day ssp. deminuta Day

small pincushion navarretia

Print Report

Taxon Summary

Navarretia myersii ssp. deminuta, commonly known as small pincushion navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Vernal pools (clay, and loam), growing at elevations from 355 to 355 meters. Navarretia myersii ssp. deminuta is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Navarretia myersii P.S. Allen & Day ssp. deminuta Day
Common Name:	small pincushion navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C0X2
USDA Plants Symbol:	NAMYD
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	355-355 (1165-1165)
General Habitats:	Vernal pools
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2T1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Lake (LAK)
Quads: Name (Quad Code)
Detert Reservoir (3812265)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Development	1	100%

Notes



Known only from one occurrence in Long Valley. See Madroño 42(1):34 (1995) for original description.
Threats:
Potentially threatened by development.
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 30 September 2025].