Erigeron uncialis var. uncialis

Limestone daisy

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 1B.2

Limestone daisy is a rare (CNPS 1B.2) California native perennial found in western White and Inyo Mountains and Mojave Desert in limestone crevices, sagebrush scrub, and subalpine forest at elevations of 2,100 to 2,900 meters. Flowering from June to July, this plant produces white to pale pink ray flowers in small heads 6 to 11 millimeters wide. Growing as a tiny perennial just 1 to 4 centimeters tall with a slender-branched caudex, it spreads with delicate, hairy stems. Its basal leaves are widely elliptic to obovate, 5 to 25 millimeters long, long-petioled and loosely covered with soft hairs. The flower heads feature 15 to 40 ray flowers with rays 4 to 6 millimeters long, creating a delicate alpine appearance.

Habitat: Limestone crevices, sagebrush scrub, subalpine forest

Bloom period: Jun-Jul

Elevation: 2100-2900 m

Bioregions: W&ampI, DMoj

California counties: Inyo, San Bernardino

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