| Collector | Balslev, H. |
| Number | 9262 |
| Collected with | Sakuntala Ninkaew, Prateep Panyadee (photographs), Witsanu Saisorn, Rodrigo Duno & Sukhumaabhorn Kaewsangsai |
| Country | Thailand |
| Subpart | Khon Kaen |
| County | |
| Locality | Mueang district. Route #230, 7 km east of Khon Kaen; agricultural land, ditch. |
| Coordinates | 16° 27' 22.45'' N 102° 54' 14.32'' E |
| Minimum elevation (m) | 157 |
| Maximum elevation (m) | 157 |
| Start date | 2018/12/24 |
| End date | 2018/12/24 |
| Family | Fabaceae |
| Identification | Neptunia oleracea Lour. |
| Determined by | |
| Identification qualifier | |
| Field notes | Floating with spongy stem. |
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