Species Details

Sabulina howellii

Howell's sandwort

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Photo of Sabulina howellii
©2015 John Doyen
Scientific Name:
Sabulina howellii (S. Watson) Dillenb. & Kadereit
Common Name:
Howell's sandwort
Family: Caryophyllaceae
Element Code: PDCAR0G0F0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jul
550 - 1000 meters
1805 - 3280 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
General Micro Habitat: xeric
Micro Habitat:
  • Serpentinite
Total Occurrences: 24
Element Occurrence Ranks:
1 0 0 0 0 23
Occurrence Status:
Historical >20 Years 22
Recent <=20 Years 2
Presumed Extant 24
Possibly Extirpated 0
Presumed Extirpated 0
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)
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.


Presumed Extant
Counties   Quads
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)