| Family | PLANTAGINACEAE |
| Genus species | Holmgrenanthe petrophila (Coville & C.V.Morton) Elisens |
| Bibliography | Syst. Bot. Monogr. 5: 54 (1985) |
| Native Range | California (Grapevine Mts.) |
| Primary Biome | Temperate |
| Habitat | shady rocks |
| Altitude | 700-1800m |
| Description | stems aristate, leaves petiolate, orbiculate to reniform, 12-35mm, on apex minutely spinose, peduncles glandular, sepals falcate, minutely spinose, corolla 20-24mm |
| Size | 5-12cm |
| Color | pale yellow |
| Bloom | spring, early summer |
| Ca | |
| Type | subshrub |
| Cultivation | shady, humous, rock crevices alpine house, humous, gravelly soil, shade |
| Propagation | seed in spring, uncovered, light, germ. 1 month, 13-16°C cuttings in late summer |
| Synonyms | Asarina petrophila (Coville & C.V.Morton) Pennell Maurandella petrophila (Coville & C.V.Morton) Rothm. Maurandya petrophila Coville & C.V.Morton |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) |