| Family | Lamiaceae (alt. Labiatae) |
| Subfamily | Nepetoideae |
| Tribe | Mentheae |
| Scientific name | Lycopus maackianus (Maximovicz ex Herder) Makino |
| Synonyms | Lycopus angustus Makino; Lycopus lucidus Turczaninow ex Bentham var. maackianus Maximowicz ex Herder; Lycopus maackianus (Maximowicz ex Herder) V. Komarov; Lycopus sinuatus Regel |
| Common name | (Japanese common name) hime shiro-ne (ヒメシロネ, 姫白根 [meaning: dwarf white roots]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (east Siberia), Korea, China (northeast region) | |
| Habitat | Swamp |
| Chromosomal number | unknown |
| Description | Plants 30-70cm tall. Leaves 4-8cm long, 5-15mm wide. Flowers calyxs 4mm long, white corollas 5mm, 2 stamens, flowering in August to October. Fruits ca. 1.5mm long. Perennial plants. |
| Reference | Lycopus lucidus var. maackianus Maximowicz ex Herder |
| September 2006 at mountane swamp |
September 2006 at mountane swamp |
September 2006 at mountane swamp |
| August 2008 at lowland swamp |
August 2008 at lowland swamp |
August 2008 at lowland swamp |