Taxon Report

Navarretia myersii P.S. Allen & A.G. Day ssp. myersii

pincushion navarretia

Print Report

Taxon Summary

Navarretia myersii ssp. myersii, commonly known as pincushion navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Vernal pools, growing at elevations from 20 to 330 meters. Navarretia myersii ssp. myersii 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 & A.G. Day ssp. myersii
Common Name:	pincushion navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C0X1
USDA Plants Symbol:	NAMYM
Synonyms/Other Names:	Navarretia myersii P.S. Allen & A. Day

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	20-330 (65-1085)
General Habitats:	Vernal pools
Microhabitat:	Acidic (often)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	16
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: True
California Counties and Islands: Name (Code)
Amador (AMA), Calaveras (CAL), Madera (MAD), Merced (MER), Placer (PLA), Sacramento (SAC)
Quads: Name (Quad Code)
Carbondale (3812141), Folsom (3812162), Goose Creek (3812131), Haystack Mtn. (3712043), Ione (3812038), Irish Hill (3812048), Lanes Bridge (3611987), Lincoln (3812183), Owens Reservoir (3712032), Valley Springs SW (3812018)

Threat List Data from the CNDDB


Threat List Total:	6
EOs with Threat Listed:	Total EOs	% of EOs
	3	19 %
Development	1	6%
Erosion/runoff	1	6%
Grazing	1	6%
Non-native plant impacts	1	6%
Recreational use (non-ORV)	1	6%
Road/trail construction/maint.	1	6%

Notes



Threatened by development. Possibly threatened by non-native plants. See Novon 3(4):337 (1993) for original description.
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 15 June 2025].