| Family | CARYOPHYLLACEAE |
| Genus species | Arenaria humifusa Wahlenb. |
| Bibliography | Fl. Lapp.: 129 (1812) |
| Native Range | Subarctic to ne. Canada |
| Primary Biome | Subarctic |
| Habitat | rocks |
| Description | leaves opposite, sessile, 3-7mm, subcarnose, oblong or lanceolate, flat, glabrous, shiny, acute, flowers solitary, calyx glabrous, petals lanceolate, 3-6mm long, anthers 10 |
| Size | 1-3cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Arenaria cylindrocarpa Fernald |
| Territory | 0 Circumpolar 1 Europe 10 Northern Europe (NOR Norway, SVA Svalbard, SWE Sweden) 14 Eastern Europe (RUN North European Russia) 3 Asia-Temperate 30 Siberia (WSB West Siberia) 7 Northern America 70 Subarctic America (GNL Greenland, NUN Nunavut, NWT Northwest Territories) 71 Western Canada (MAN Manitoba) 72 Eastern Canada (LAB Labrador, NFL Newfoundland, NSC Nova Scotia, ONT Ontario, PEI Prince Edward I., QUE Québec) |