"สวนพฤกษศาสตร์และสวนรุกขชาติ" [Botanical Gardens and Arboreta]. Forest Botany Division (in Thai). 2021. Retrieved 16 February 2021, 2 botanical gardens were established by improving of arboreta: Ban Phe botanical garden in Rayong and Sakunothayan botanical garden in Phitsanulok.{{cite web}}: CS1 maint: postscript (link)
portal.dnp.go.th
"จุลสาร ฉบับที่ 20" [booklet no. 20]. Department National Parks, Wildlife and Plant Conservation (in Thai). January–March 2018. Retrieved 20 July 2021, page 7.{{cite web}}: CS1 maint: postscript (link)