| Family | ASTERACEAE |
| Genus species | Thymophylla acerosa (DC.) Strother |
| Bibliography | Sida 11: 376 (1986) |
| Native Range | Nevada to Texas and Mexico |
| Primary Biome | Subtropical |
| Habitat | rocky slopes |
| Altitude | 1000-2300m |
| Description | very ramose, leaves opposite or alternate, approximate, linear-filiform, sharply acute, 1-2cm long, capitula solitary, terminal, phyllaries obtuse, ligules 3-4mm |
| Size | 10-30cm |
| Color | yellow |
| Bloom | spring, summer |
| Ca | + |
| Type | subshrub |
| 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 cuttings in late summer |
| Synonyms | Aciphyllaea acerosa (DC.) A.Gray Dyssodia acerosa DC. Dyssodia fusca A.Nelson Hymenantherum acerosum (DC.) A.Gray |
| Territory | 7 Northern America 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 79 Mexico (MXE Mexico Northeast, MXG Mexico Gulf, MXN Mexico Northwest, MXS Mexico Southwest) |