6 species
2 subspecies and varieties
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Sabulina basalticabasalt sandwort, Olympic sandwort
Distribution: Known only from the northeastern Olympic Mountains in Washington.
Habitat: Rocky outcroppings and exposed areas in the subalpine and alpine.
Origin: Native
Flowers: June-August
Sabulina macraslender sandwort, slender stitchwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to Oregon.
Habitat: Lowlands, prairies and coastal bluffs.
Origin: Native
Flowers: April-July
Sabulina nuttalliiNuttall's sandwort
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Sagebrush hills to alpine slopes, especially on gravelly benches or talus.
Origin: Native
Flowers: May-August
var. fragilis – brittle sandwort, brittle stichwort
var. nuttallii – Nuttall's sandwort
Sabulina pusillaannual sandwort, dwarf sandwort, dwarf stitchwort
Distribution: Occurring east of the Cascades crest from Klickitat County to the southeastern counties in Washington; southern Washington to California, east to northeastern Oregon and adjacent Idaho.
Habitat: Dry, rocky cliffs and outcroppings in sagebrush desert to ponderosa pine forest openings.
Origin: Native
Flowers: May-July
Sabulina rubellaboreal stitchwort
Distribution: Alaska to Greenland, south in the mountains to Oregon and New Mexico
Habitat: Subalpine to alpine meadows, ridges and talus slopes
Origin: Native
Flowers: June - August
Sabulina sororiaTwin Sisters sandwort
Distribution: Endemic to the Twin Sisters Range in Whatcom County.
Habitat: Rocky outcroppings and exposed areas.
Origin: Native
Flowers: June-August