| Family | Droseraceae |
| Scientific name | Drosera rotundifolia L. |
| Synonyms | Drosera corsica Maire; Drosera rotundifolia (L.) forma bracteata (Lyngbye) Sylven ex Witte; Drosera rotundifolia (L.) forma breviscapa Domin; Drosera rotundifolia (L.) forma cristata E. Koenig; Drosera rotundifolia (L.) forma furcata Lilja; Drosera rotundifolia (L.) forma pygmaea Saelan ex Hjelt; Drosera rotundifolia (L.) subsp. bracteata Kern & Steen; Drosera rotundifolia (L.) subvar. distachya (de Candolle) Rouy; Drosera rotundifolia (L.) var. bracteata Lyngbye; Drosera rotundifolia (L.) var. breviscapa Regel; Drosera rotundifolia (L.) var. capillaris (Poiret) A. A. Eaton & Wright; Drosera rotundifolia (L.) var. comosa Fernald; Drosera rotundifolia (L.) var. corsica (Maire) Briquet; Drosera rotundifolia (L.) var. distachya de Candolle; Drosera rotundifolia (L.) var. furcata Y. Z. Ruan; Drosera rotundifolia (L.) var. genuina Briquet; Drosera rotundifolia (L.) var. gracilis Laestadius ex Hulten; Drosera rotundifolia (L.) var. maritima Graebner; Drosera septentrionalis (Scopoli) Stokes var. rotundifolia {(L.) Stokes; Drosera septentrionalis (Scopoli) Stokes; Drosera spatulata Labillardiere subsp. tokaiensis Komiya & Shibata; Drosera spatulata Labillardiere var. rotundata Makino ex Ueda; Rorella rotundifolia (L.) Allioni; Rossolis rotundifolia (L.) Moench; Rossolis septentrionalis Scopoli |
| Common name | (Japanese common name) mousen-goke (モウセンゴケ, 毛氈苔 [meaning: carpet moss]) |
| (English common name) roundleaf sun dew | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) northern hemisphere | |
| Habitat | Swamp |
| Chromosomal number | 2n=20 |
| Description | Leaves 5-10mm long. Scapes 6-30cm tall. Flowers 5 white petals each 4-6mm long, flowering in June to August. Perennial plants. |
| Reference | Drosera rotundifolia L. |
| Drosera rotundifolia L. | |
| Drosera rotundifolia Linnaeus |
| August 2006 at high marsh |
August 2006 at high marsh |
August 2006 at high marsh |