| Family | ASTERACEAE |
| Genus species | Microspermum nummulariifolium Lag. trib. Heliantheae |
| Bibliography | Gen. Sp. Pl.: 25 (1816) |
| Native Range | c. & sw. Mexico |
| Primary Biome | Subtropical |
| Habitat | rocks |
| Description | leaves petiolate, ovate, crenate, on base cuneate, glabrous, capitula solitary, pedicellate, involucre subspherical, bracts lanceolate, glandular-pubescent, ligules 5-6mm |
| Size | 8-15cm |
| Color | white |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in late spring; cuttings after flowering |
| Territory | 7 Northern America 79 Mexico (MXC Mexico Central, MXS Mexico Southwest) |