Thai Forest Bulletin (Botany) https://li01.tci-thaijo.org/index.php/ThaiForestBulletin <p>Thai Forest Bulletin (Botany)&nbsp;- here referred to as TFB (Botany) -&nbsp;was first published in 1954 by the Royal Forest Department, under the leadership of its first editor Prof. Dr. Tem Smitinand. In 2002, the journal was published by the Department of National Parks, Wildlife and Plant Conservation with Prof. Dr. Thawatchai Santisuk as editor, supported by editorial board members from several prominent herbaria in Europe. At present, the TFB (Botany) is published by the Forest Herbarium in Bangkok, with Dr. Rachun Pooma and Dr. Tim Utteridge as editors. The journal is published once a year, usually in September-December with the manuscript no submission deadline, and articles are published in English. All manuscripts are peer reviewed by international scientists and edited by native English language speakers on the editorial board before acceptance and publication.&nbsp;TFB (Botany) will become both printed and electronic journal starting with volume 44 (2016), and through the TFB (Botany) Archive, every article published since 1954 is available and completely searchable online.</p> <p>ISSN : 0495-3843&nbsp;(print), 2465-423x (electronic)</p> Forest Herbarium (BKF) en-US Thai Forest Bulletin (Botany) 0495-3843 Rhynchoglossum ausculum (Gesneriaceae), a new species from South-Western Thailand https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/249876 <p>The new species of <em>Rhynchoglossum</em> <em>ausculum</em>, from South-Western Thailand is described and illustrated. An emended key to the Thai species of <em>Rhynchoglossum</em> is provided.</p> Nannapat Pattharahirantricin Manop Poopath Copyright (c) 2021 Forest Herbarium http://creativecommons.org/licenses/by-nc-nd/4.0 2021-07-24 2021-07-24 49 2 157 162 10.20531/tfb.2021.49.2.01 Additions to Annonaceae in the Flora of Thailand https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/248520 <p>Work toward completion of the Annonaceae treatment for the Flora of Thailand revealed 18 species previously unrecorded for the country, six of them in the genus <em>Fissistigma</em>. In addition, several species previously placed in synonymy are re-instated, for which we propose three new combinations in the genera <em>Mitrella</em>, <em>Monoon</em>, and <em>Sphaerocoryne</em>.</p> David M. Johnson Pasakorn Bunchalee Piya Chalermglin Pranom Chantaranothai Charan Leeratiwong Nancy A. Murray Richard Saunders Yotsawate Sirichamorn Yvonne Su Phanom Sutthisaksopon Copyright (c) 2021 Forest Herbarium http://creativecommons.org/licenses/by-nc-nd/4.0 2021-07-28 2021-07-28 49 2 163 172 10.20531/tfb.2021.49.2.02