Saxifraga
saxifrage
9 species
1 subspecies and varieties
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Saxifraga adscendenswedge-leaf saxifrage, wedge-leaved saxifrage
Origin: Native
Saxifraga austromontanamatted saxifrage, spotted saxifrage
Distribution: Alaska to Greenland, south in the Cascades to Oregon, and in the Rockies to New Mexico
Habitat: Cliff crevices, talus and scree slopes, mid- to high elevations in the mountains
Origin: Native
Flowers: June-August
Saxifraga cernuanodding saxifrage
Distribution: Known only east of the Cascades crest in north-central Washington; Alaska south to California, east to the Rocky Mountains and across northern Canada to the Atlantic Coast.
Habitat: Among rocks in alpine areas, often where moist.
Origin: Native
Flowers: July-September
Saxifraga cespitosatufted alpine saxifrage, tufted saxifrage
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to south California, east to the Rocky Mountains; east across Canada to the Atlantic Coast.
Habitat: Ledges, gravelly ridges and scree, near sea level to alpine.
Origin: Native
Flowers: April-September
Saxifraga hyperboreapygmy saxifrage
Distribution: In the Olympic and Cascade mountains of Washington; Alaska south to California, throughout the Rocky Mountains, across northern Canada to the Maritime Provinces.
Habitat: Alpine tundra, often where moist with rocky outcroppings, crevices, and snowmelt.
Origin: Native
Flowers: June-August
Saxifraga mertensianaMerten's saxifrage, woodland saxifrage
Distribution: Distributed on both sides of the Cascades in Washington; Alaska south to California, east to Idaho and Montana.
Habitat: Wet ledges and gravelly streambanks, sea level to subalpine.
Origin: Native
Flowers: April-August
Saxifraga oppositifoliapurple saxifrage, twinflowered saxifrage
Distribution: In the Olympic and Cascade mountains of Washington; Alaska south to Oregon, east to the Rocky Mountains; across northern Canada and northeastern U.S.
Habitat: Alpine slopes and rocky outcroppings
Origin: Native
Flowers: June-August
ssp. oppositifolia – purple mountain saxifrage, purple saxifrage, twinflowered saxifrage
Saxifraga tridactylitesrue-leaved saxifrage
Origin: Introduced
Saxifraga vespertinamatted saxifrage, spotted saxifrage
Distribution: West of the Cascades crest in Washington; Washington south to Oregon.
Habitat: Rocky outcroppings.
Origin: Native
Flowers: June-August