| Family | POLEMONIACEAE |
| Genus species | Phlox costata Rydb. Microphlox, Multiflorae |
| Bibliography | Mem. New York Bot. Gard. 1: 315 (1900) |
| Native Range | wc. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 1200-3000m |
| Description | diffuse-caespitose, stems in upper part lanate, leaves ca. 10mm, linear-subulate, acerose, midrib distinct, margins revolute, flowers shortly pedicellate, lobes orbiculate |
| Size | 5-12cm |
| Color | bluish, white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 16-18°C division in spring; cuttings in late summer |
| Synonyms | Phlox kelseyi var. costata (Rydb.) Brand Phlox multiflora var. depressa E.E.Nelson Phlox multiflora ssp. depressa (E.E.Nelson) Wherry |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WYO Wyoming) 76 Southwestern U.S.A. (NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |