• Obituary: Prof. Dr Thawatchai Santisuk (1944–2020)

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Articles

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  Two new species of Pittosporum (Pittosporaceae) for the Flora of Thailand

  Timothy M.A. Utteridge

  87-94

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  Psammosilene tunicoides (Caryophyllaceae) a new generic and species record for Thailand

  Somran Suddee, Thamarat Phutthai, Naiyana Tetsana, Theerawat Thananthaisong, Wittawat Kiewbang

  95-100

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  New records of the genus Psychotria (Rubiaceae) from Thailand

  Teerawat Srisuk, Voradol Chamchumroon, Pimwadee Pornpongrungrueng

  101-107

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  Begonia colliculata (Begoniaceae), a new species from Nam Kading National Protected Area, Bolikhamxai province, Laos

  Keooudone Souvannakhoummane, Soulivanh Lanorsavanh, Jeong Ho Park, Ho Sang Kang, Tai Hyeon Ahn, Singkone Xayalath, Chanhsamone Phongoudom

  108-113

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  Heterostemma brownii (Apocynaceae), a new record for Laos and Thailand

  Woranart Thammarong, Sarayut Rakarcha, Michele Rodda

  114-117

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  The Cenozoic leaf morphotypes and palaeoclimate interpretation from the Doi Ton Formation, Mae Sot District, Tak Province, western Thailand

  Atiwut Bunlam, Yupa Thasod, Pitaksit Ditbanjong, Rattanaporn Fongngern, Paul J. Grote

  118-141

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• Notes on the typification of five names in Lauraceae

  Anand Kumar

  142-144

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  A synopsis of Thai Piper (Piperaceae)

  Chalermpol Suwanphakdee, David A. Simpson, Trevor R. Hodkinson, Pranom Chantaranothai

  145-183

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  Dimetra (Oleaceae), a new genus record for Lao PDR

  Sarayut Rakarcha, Charun Maknoi, Wattana Tanming, Woranart Thammarong, Prateep Panyadee

  184-186

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  Cardamine occulta (Brassicaceae), a new name for the Flora of Thailand

  Hans-Joachim Esser

  187-189

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  Geraniaceae in Thailand

  Piyakaset Suksathan

  190-198

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  Terminalia santisukiana (Combretaceae), a new species from North-Eastern Thailand

  Nannapat Pattharahirantricin, Manop Poopath

  199-203

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  Lectotypification of Porpax scaposa (Orchidaceae)

  Santi Watthana, Somran Suddee

  204-205

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  Stemona fimbritepala (Stemonaceae), a new species from northern Laos

  Sarayut Rakarcha, Wittaya Pongamornkul, Woranart Thammarong, Charun Maknoi, Keooudone Souvannakhoummane

  206-211

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  Ten new species of Globba section Globba from continental South-East Asia

  Sunisa Sangvirotjanapat, Trần Hữu Đăng, Mark Newman

  212-233

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