| Family | ASTERACEAE |
| Genus species | Porophyllum greggii A.Gray trib. Tageteae |
| Bibliography | Smithsonian Contr. Knowl. 3(5): 120 (1852) |
| Native Range | Texas to ne. Mexico |
| Primary Biome | Subtropical |
| Habitat | dry, rocky slopes |
| Altitude | 1200-2000m |
| Description | stem leaves filiform, 2-6mm, glabrous, capitula discoid, involucre 2-seriate, phyllaries 5, ovate to oblong |
| Size | 15-30cm |
| Color | yellow |
| Bloom | 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, 13-18°C division in spring; cuttings in late summer |
| Territory | 7 Northern America 77 South-Central U.S.A. (TEX Texas) 79 Mexico (MXE Mexico Northeast) |