Symphyotrichum spathulatum var. yosemitanum

Western bog aster

Family: Asteraceae · Type: perennial · Native

Western bog aster is a California native perennial found in the Klamath Ranges, Cascade Range, and Sierra Nevada in high-elevation meadows at 1,200 to 2,100 meters. Flowering from July to September, this plant produces white to lavender daisy-like flowers in clusters of 3 to 25 flower heads. Growing with slender stems 30 to 80 centimeters tall, it forms an upright and somewhat open habit. Its leaves are predominantly narrow and linear, extending alternately along the stem with a characteristic spathulate shape. In meadow environments, this aster creates delicate displays of pale blooming flowers amidst mountain grasslands.

Habitat: Uncommon. Meadows

Bloom period: Jul-Sep

Elevation: 1200-2100 m

Bioregions: KR, CaR, SN

California counties: Del Norte, Alpine, Mono, Tulare, Siskiyou, Butte, Lassen, Nevada, Tuolumne, Shasta, Fresno, Placer, El Dorado, Mariposa

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.