| Family | CAMPANULACEAE |
| Genus species | Isotoma rivalis (E.Wimm.) Lammers |
| Bibliography | Novon 9: 75 (1999) |
| Native Range | New Zealand |
| Primary Biome | Subtropical |
| Habitat | bogs, marshes |
| Description | leaves oval to orbiculate, sometimes undistinctly dentate, 3-7cm long, shortly petiolate, flower ca. 1cm across, in buds blue |
| Size | 1-5cm |
| Color | white |
| Bloom | summer, autumn |
| Ca | |
| Type | perennial |
| Cultivation | very moist to boggy, semi-shady site alpine house, moist, humous, sandy soil, semi-shade |
| Propagation | seed in winter, uncovered, light, germ. 1-3 months, 16-21°C division in spring and fall; basal cuttings in spring |
| Synonyms | Hypsela rivalis E.Wimm. Lobelia ionantha Heenan |
| Territory | 5 Australasia 51 New Zealand (NZN New Zealand North, NZS New Zealand South) |