| Family | Menyanthaceae |
| Scientific name | Nymphoides coreana (H. Léveillé) H. Hara |
| Synonyms | Limnanthemum coreanum H. Léveillé; Limnanthemum cristatum Grisebach; Limnanthemum parvifolium Grisebach; Nymphoides cristatum (Grisebach) Kuntze |
| Common name | (Japanese common name) hime-shiro-asaza (ヒメシロアサザ, 姫白浅沙 [meaning: tiny white asaza (asaza = Nymphoides peltata (S. G. Gmelin) Kuntze)]) |
| (English common name) fringed yellow water snowflake, yellow water snowflake | |
| Distribution | (Japan) Hokkaido, Honshu, Kyushu |
| (Other nations) Russia (Far East), Korea, China, Taiwan, Vietnam | |
| Chromosomal number | 2n=56 |
| Description | Leaves 2-6cm long,. Flowers white corollas ca. 8mm. Water plantss. Perennial plants. |
| Reference | Nymphoides coreana (H. Léveillé) H. Hara |
| Nymphoides coreana (H. Lév.) H. Hara | |
| Note | Rare species. |
| July 2008 at Ohsaka City University Botanical Garden |
July 2008 at Ohsaka City University Botanical Garden |
July 2008 at Ohsaka City University Botanical Garden |
| March 2009 at Tsukuba Botanical Garden |
March 2009 at Tsukuba Botanical Garden |
March 2009 at Tsukuba Botanical Garden |