| Collector | Larsen, K. |
| Number | 42170 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | PHATTALUNG |
| County | |
| Locality | Tha Mot, 30 km S of Phattalung |
| Coordinates | 7° 20' N 100° 5' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1991/10/05 |
| End date | 1991/10/05 |
| Family | Scrophulariaceae |
| Identification | Lindernia crustacea (L.) F. Muell. |
| Determined by | P. Chantaranothai |
| Identification qualifier | |
| Field notes | Sandy placea along rosk pool in stream. Flowers blue. |