| Basic information | ||
| Scientific name | Ludwigia grandiflora | (No picture) |
| Common names | arge-flower, primrose-willow | |
| Higher taxon | Onagraceae, Myrtales, Magnoliopsida, Magnoliophyta | |
| Natural range | South part of North America, South America | |
| Habitat | Under Construction. | |
| Invasion information | ||
| Range in Japan | Subsp. of this species (L. grandiflora ssp.grandiflora) are established in Hyogo pref, Shiga pref and Wakayama pref. |
|
| Origin | Under Construction. | |
| Date | Under Construction. | |
| Route | Under Construction. | |
| Impact | Competition with native plants, and hybridization. | |
| Regulation in Japan | Invasive alien species (Invasive Species Act) | |
| Introduced range in other countries | Europe and Northan part of North America | |
| Reference | Notes |
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