| Collector | Larsen, K. |
| Number | 2939 |
| Collected with | T. Santisuk & E. Warncke |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Khun Klong 15 km NW of Doi Chieng Dao |
| Coordinates | |
| Minimum elevation (m) | 1200 |
| Maximum elevation (m) | 1200 |
| Start date | 1968/07/31 |
| End date | 1968/07/31 |
| Family | Boraginaceae |
| Identification | Cynoglossum furcatum Wall. |
| Determined by | M.Weigend |
| Identification qualifier | |
| Field notes | Blue flowers. Clearing in evergreen |
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