| # | Document title | Authors | Year | Source | Cited by |
| 1 | Variations in mitragynine content in the naturally growing Kratom (Mitragyna speciosa) population of Thailand | Leksungnoen N., Andriyas T., Ngernsaengsaruay C., Uthairatsamee S., Racharak P., Sonjaroon W., Kjelgren R., Pearson B.J., McCurdy C.R., Sharma A. | 2022 | Frontiers in Plant Science,
13, 1028547 | 34 |
| 2 | Additional knowledge on the genus Mitragyna (Rubiaceae) in Thailand | Ngernsaengsaruay C., Leksungnoen N., Boonthasak W., Uthairatsamee S., Racharak P., Leetanasakskul K., Pongamorn P., Saengbuapuean A. | 2022 | Thai Forest Bulletin (Botany),
50, pp. 20-39 | 26 |
| 3 | Population characteristics and habitat suitability of Khao Yai National Park, Thailand for Asian elephant and five ungulate species | Pla-Ard M., Khioesree N., Sungkalak B., Nathalang A., Thomas W., Uthairatsamee S., Paansri P., Chanachai Y., Sukmasuang R. | 2022 | Biodiversitas,
23(1), pp. 231-243 | 15 |
| 4 | Population Structure and Spatial Distribution of Tree Species in Lower Montane Forest, Doi Suthep-Pui National Park, Northern Thailand | Marod D., Duengkae P., Sangkaew S., Racharak P., Suksavate W., Uthairatsamee S., Asanok L., Kamyo T., Thinkampheang S., Heumhuk S., Kachina P., Thongsawi J., Phumpuang W., Paansri P., Nuipakdee W., Nakmuenwai P., Pattanakiat S. | 2022 | Environment and Natural Resources Journal,
20(6), pp. 644-663 | 11 |
| 5 | A taxonomic revision of Rhizophora L. (Rhizophoraceae) in Thailand | Ngernsaengsaruay C., Chanton P., Leksungnoen N., Uthairatsamee S., Mianmit N. | 2024 | PeerJ,
12, e17460 | 7 |
| 6 | The Effect of Light Intensity and Polyethylene-Glycol-Induced Water Stress on the Growth, Mitragynine Accumulation, and Total Alkaloid Content of Kratom (Mitragyna speciosa) | Leksungnoen N., Andriyas T., Ku-Or Y., Chongdi S., Tansawat R., Aramrak A., Ngernsaengsaruay C., Uthairatsamee S., Sonjaroon W., Thongchot P., Ardsiri S., Pongchaidacha P. | 2025 | Horticulturae,
11(3), 272 | 5 |
| 7 | Potential variables forcing litterfall in a lower montane evergreen forest using Granger and superposed epoch analyses | Marod D., Andriyas T., Leksungnoen N., Kjelgren R., Thinkamphaeng S., Chansri P., Asanok L., Hermhuk S., Kachina P., Thongsawi J., Phumphuang W., Uthairatsamee S., Racharak P., Kaewgrajang T. | 2023 | Ecosphere,
14(6), e4572 | 4 |
| 8 | Adaptability of siamese rosewood and teak seedlings to varying light conditions | Leksungnoen N., Uthairatsamee S., Andriyas T. | 2021 | Environment and Natural Resources Journal,
19(6), pp. 449-458 | 4 |
| 9 | Regional Variability in Growth and Leaf Functional Traits of Mitragyna speciosa in Thailand | Chongdi S., Uthairatsamee S., Ngernsaengsaruay C., Andriyas T., Leksungnoen N. | 2025 | International Journal of Plant Biology,
16(1), 24 | 2 |
| 10 | Environmental Influence on the Untargeted Foliar Metabolome of Naturally Growing Mitragyna Species in Thailand | Andriyas T., Leksungnoen N., Ngernsaengsaruay C., Uthairatsamee S., Tansawat R., Sirilertpanich P. | 2026 | Plant Environment Interactions,
7(1), e70118 | 2 |
| 11 | Integrating spatial mapping and metabolomics: A novel platform for bioactive compound discovery and saline land reclamation | Andriyas T., Leksungnoen N., Pongchaidacha P., Uthairangsee A., Uthairatsamee S., Doomnil P., Ku-Or Y., Ngernsaengsaruay C., Andriyas S., Yarnvudhi A., Tansawat R., Tansawat R. | 2025 | Computational and Structural Biotechnology Journal,
27, pp. 1741-1753 | 1 |
| 12 | Higher accumulation of mitragynine in Mitragyna speciosa (kratom) leaves affected by insect attack | Leksungnoen N., Andriyas T., Tansawat R., Pongchaidacha P., Khaoiam P., Thanusuwannasak T., Ngernsaengsaruay C., Thanoosing C., Uthairatsamee S. | 2025 | PLoS ONE,
20(4 April), e0320941 | 1 |
| 13 | Interspecific and Environmental Influence on the Foliar Metabolomes of Mitragyna Species Through Recursive OPLSDA Modeling | Andriyas T., Leksungnoen N., Leksungnoen N., Uthairatsamee S., Ngernsaengsaruay C., Andriyas S. | 2025 | Plants,
14(17), 2721 | 0 |
| 14 | An account of Korthalsia (Arecaceae) rattans and their uses in Thailand | Ngernsaengsaruay C., Mianmit N., Leksungnoen N., Racharak P., Uthairatsamee S., Chanton P., Andriyas T., Duangjai W. | 2025 | Peerj,
13, pp. 1-31 | 0 |
| 15 | Use of untargeted metabolomics to profile the foliar metabolome of Mitragyna speciosa under varying light and water conditions | Leksungnoen N., Andriyas T., Ku-Or Y., Chongdi S., Pongchaidacha P., Ngernsaengsaruay C., Uthairatsamee S., Tansawat R. | 2026 | Functional Plant Biology Fpb,
53(3) | 0 |
| 16 | An integrative taxonomic reassessment of Kandelia candel (Rhizophoraceae), a true mangrove of Thailand | Ngernsaengsaruay C., Uthairatsamee S., Mianmit N., Pravinvongvuthi T., Samart C. | 2026 | Biodiversitas,
27(2), d270210 | 0 |
| 17 | Optimizing the Soil Calcium:Magnesium Ratio Improves the Mitragynine Yield and Seedling Growth in Kratom (Mitragyna speciosa) | Leksungnoen N., Andriyas T., Ku-Or Y., Chongdi S., Pongchaidacha P., Ngernsaengsaruay C., Uthairatsamee S., Tansawat R., Boondum K. | 2026 | Plants,
15(7), 1098 | 0 |
| 18 | In vitro and in vivo inhibition of cylindrocladium reteaudii by essential oils of acorus calamus rhizomes | Sintawarak P., Uthairatsamee S., Keawgrajang T. | 2020 | Environment and Natural Resources Journal,
19(1), pp. 34-42 | 0 |
| 19 | On the pre-adaptation of Mitragyna species to urban environments of Thailand | Leksungnoen N., Andriyas T., Andriyas T., Ngernsaengsaruay C., Uthairatsamee S., Racharak P. | 2024 | Ecoscience,
31(1-2), pp. 62-73 | 0 |