| Collector | Larsen, K. |
| Number | 44403 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Tham Pa Tok, 10 km N of Nan. Limestone area. Partly some low hills with rugged limestone covered with mixed evergreen/deciduous forest, partly valley with sandy calcareous soil and slope with bamboo thicket. |
| Coordinates | 18° 48' N 100° 45' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1993/11/16 |
| End date | 1993/11/16 |
| Family | Dioscoreaceae |
| Identification | Dioscorea alata L. |
| Determined by | Wilkin, P. |
| Identification qualifier | |
| Field notes | Stems tetrangular, narrowly winged |
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