Taxon Details

Navarretia rosulata

Marin County navarretia

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Taxon Summary:

Navarretia rosulata, commonly known as Marin County navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Chaparral, and Closed-cone coniferous forest, growing at elevations from 200 to 635 meters. Navarretia rosulata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Navarretia rosulata Brand
Common Name: Marin County navarretia
Family:	Polemoniaceae
Element Code:	PDPLM0C0Z0
USDA Plants Symbol:	NARO2
Synonyms/Other Names: Navarretia heterodoxa (Greene) Greene ssp. rosulata (Brand) Mason
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Jul

Elevation:
200 - 635 meters
655 - 2085 feet

General Habitats:

Closed-cone coniferous forest
Chaparral

Microhabitat Details:

Microhabitat:

Rocky
Serpentine

Notes

Notes: Known from fewer than twenty occurrences.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	13 %
Foot traffic/trampling	2	13%
Wood cutting or brush clearing	1	6%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					15
A	B	C	D	X	U
2	2	0	0	0	11

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	7

Presence:
Presumed Extant	15
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Napa (NAP)

Quads: Name (Quad Code)
Aetna Springs (3812264), Bolinas (3712286), Chiles Valley (3812253), San Geronimo (3812216), San Rafael (3712285)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory