| Family | ASTERACEAE |
| Genus species | Erigeron hartwegii Greene trib. Astereae |
| Bibliography | Erythea 3: 21 (1895) |
| Native Range | California |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 100-600m |
| Description | taproot, leaves narrowly oblanceolate, acute, 4-6cm, entire, ciliate, capitula 1-3, phyllaries with wide scarious margin, glabrous, ligules 8-13mm |
| Size | 20-45cm |
| Color | blue |
| Bloom | spring, early summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 16-21°C cuttings in spring and late summer |
| Synonyms | Erigeron foliosus var. hartwegii (Greene) Jeps. |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) |