Species Details

Sabulina howellii

Howell's sandwort

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Classification

Scientific Name: Sabulina howellii (S. Watson) Dillenb. & Kadereit
Common Name: Howell's sandwort
Family:	Caryophyllaceae
Element Code:	PDCAR0G0F0
USDA Plants Symbol:
Synonyms/Other Names: Arenaria howellii Wats. Minuartia howellii

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:	BLM_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jul

Elevation:
550 - 1000 meters
1805 - 3280 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details: xeric

Microhabitat:

Serpentine

Notes

Notes:
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	2	8 %
Foot traffic/trampling	1	4%
Mining	1	4%
Other	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					24
A	B	C	D	X	U
1	0	0	0	0	23

Occurrence Status:
Historical >20 Years	22
Recent <=20 Years	2

Presence:
Presumed Extant	24
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Indian Creek Baldy (4112267), Shelly Creek Ridge (4112387), Smith River (4112482)

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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Selected References

Original Description:	Proceedings of the American Academy of Arts and Sciences 20:354 (1885)
Revised Nomenclature:	Taxon 63(1):64-88 (2014)
Species Account:	Sabulina howellii profile for potential Species of Conservation Concern evaluation (2018)
Other:	USFS Potential Species of Conservation Concern Profile