| Family | ASTERACEAE |
| Genus species | Ageratina shastensis (D.W.Taylor & Stebbins) M.King & H.Rob. trib. Eupatorieae |
| Bibliography | Phytologia 45: 464 (1980) |
| Native Range | California |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 400-1800m |
| Description | leaves orbiculate to deltate-ovate, 1-3cm, petiolate, entire to serrate, acute, abaxially glandular-punctate, capitula discoid |
| Size | 15-45cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings in late summer |
| Synonyms | Eupatorium shastense D.W.Taylor & Stebbins |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) |