Erigeron aureus  Erigeron aureus, the Alpine yellow fleabane, is a species of flowering plant in the daisy family, native to the Cascades and Rocky Mountains of northwestern North America (Alberta, British Columbia, Washington). "Erigeron aureus" is a very small, short-lived herbaceous perennial growing to , rarely tall. It has tufts of hairy grey-green leaves with large solitary yellow daisy-like flower heads to wide, appearing in summer. The specific epithet "aureus" means "golden yellow". In nature it inhabits ridges, crevices and rocky slopes, and is suitable for cultivation in a rockery, wall or similar sunny, well-drained site. In the UK it thrives in the warmer western and southern coastal areas, though it is listed as hardy down to . The cultivar 'Canary Bird', longer-lived than wild populations of the species, has gained the Royal Horticultural Society's Award of Garden Merit.