Apiaceae A: 00970383 Physospermopsis siamensis Esser & M. F. Watson Thailand: Uttaradit Phu Soi Dao National Park H. J. Esser 98-236 1998-10-28
A: 00970383 Physospermopsis sp. Thailand: Uttaradit Phu Soi Dao National Park H. J. Esser 98-236 1998-10-28
Apocynaceae A: 02116361 Holarrhena curtisii King & Gamble Thailand: Trang Thailand, Peninsular, Trang Province, Thung ... H. J. Esser 98-45 1998-8-25
A: 02383896 Rauvolfia serpentina Bentham ex Kurz Thailand: Chiang Mai Thailand, Northern, Chiangmai, south of Doi ... H. J. Esser A. Kocyan, J. F. Maxwe... 05-24 2005-9-27
Euphorbiaceae A: 00107042 Croton decalvatus Esser Thailand: South-Eastern, Sra Kaeo Province, Wang Nam Y... H. J. Esser 98-105 1998-9-18
Lamiaceae A: 00978996 Ocimum sanctum Linnaeus Thailand: Lampang Mae Phrik Marble mine south of Thoen, at Hig... H. J. Esser 99-15 1999-7-8
Piperaceae A: 01978176 Peperomia pellucida Kunth Thailand: Chiang Mai south of Doi Suthep, Hmong village of Nam So... H. J. Esser A. Kocyan, J. F. Maxwe... 05-22 2005-9-27