协会沿革与皇家认证
荷兰皇家树木协会（Koninklijke Nederlandse Dendrologische Vereniging，简称 Koninklijke NDV）是一家注册于荷兰瓦赫宁根（Wageningen）的协会，1924 年 6 月 10 日由景观设计师 Leonard Springer 与一批苗圃业者、园艺师在瓦赫宁根的 Hotel de Wereld 发起成立，旨在解决当时苗圃业对木本植物命名混乱的问题。协会创立后不久即出版首部《Jaarboek》（年鉴），并参与荷兰榆树病害替代树种调查等公共项目。1964 年起 NDV 与荷兰皇家 Boskoopse 栽培植物协会（KVBC）共同出版年度学术刊物《Dendroflora》；1991 年原《Mededelingenblad》更名为季刊《Arbor Vitae》，沿用至今。2024 年 6 月 11 日，值百年庆典之际，协会在 Hotel de Wereld 收到由海尔德兰省省长 Henri Lenferink 转交的国王威廉-亚历山大授予的 Predicaat Koninklijk（皇家认证）证书，从此正式更名为 Koninklijke NDV。瓦赫宁根市市长 Floor Vermeulen 出任协会 Beschermheer（庇护人）。
宗旨、组织与运行
协会章程阐明其定位为「针对专业人士与爱好者的木本植物知识平台与灵感来源」，目标涵盖木本植物（含 houtige gewassen，即乔木与灌木）研究、收藏保护、命名标准化以及行业间知识交流。会员资格面向所有对温带木本植物感兴趣的个人与机构开放。日常运行由七人理事会（bestuur）承担，现任主席为 Jos Koppen，副主席 Huib Sneep，秘书 Wilma Verburg，财务 Benno Smit，理事 Lammert Krgt、Leena Salminen 及一个空缺席位；理事会成员均无报酬。理事会下设五个常设委员会：Scholing en Opleiding（培训）、Activiteitencommissie（活动）、Websitecommissie（网站）、Bibliotheekcommissie（图书馆）、Plaquettecommissie（馆藏表彰），分别负责课程、活动安排、网络运营、会员图书馆以及全国优秀植物收藏的评选与复查。年度会员大会（Algemene Ledenvergadering）通常在每年三月初召开，负责审议预算和重大事项。
年度活动、课程与奖学金
协会每年组织约 12 次面向会员的考察与聚会，包括一年一度的 Sortimentsdag（品种日）、Larensteindag（苗木日）、Dendrologendag（树木学会日）、Najaarsbijeenkomst（秋季聚会）、Algemene Ledenvergadering（会员大会）以及三日 Zomerbijeenkomst（夏季聚会），其中夏季聚会大约每三年安排一次境外行程。培训方面，协会每年开设两类实操课程（A「Inleiding tot de dendrologie」入门课与 B「Praktische dendrologie」进阶课）和一类理论课（C「Vervolgcursus dendrologie」高阶课，2026 年暂停一轮）。课程在阿姆斯特丹 De Nieuwe Ooster 树木园、鹿特丹 Trompenburg 树木园、Oudenbosch 树木园、瓦赫宁根 Belmonte 树木园与乌得支植物园五处地点开班，2026 年价格为 NDV 会员 € 360、非会员 € 400，需至少 12 人开班。此外协会另设一支 Theo’s Janson 树木学基金（Dendrologisch Fonds “Theo Janson”），每年预算约 € 1 000、上限 € 5 000，资助荷兰与比利时的木本植物相关教育或公益项目，并设有 S.G.A. Doorenbospenning 奖章分金银铜三级、约五年轮换一次，表彰对协会与树木学有突出贡献的个人。
出版物、图书馆与植物名称标准
协会出版物分两类：与 KVBC 共同发行的年刊《Dendroflora》（荷兰语、附英文摘要，刊载新品种评审、品种试验结果、植物收藏与命名研究）和面向会员的季刊《Arbor Vitae》（自 2006 年起存档全部目录，刊载协会活动通告、木本植物文章、品种信息、书评与新闻）。此外协会 2020 年首次发布、2024 年 4 月 26 日推出第二版《Nederlandse namen van cultuurplanten》标准植物名清单，收录约 10 000 条荷兰语栽培植物优先名与替代名，是苗圃、园林设计师与园艺中心统一命名的常用参考。会员图书馆位于鹿特丹 Trompenburg 树木园入口建筑内，凭电话预约（010-2330166）即可阅览，藏书中既有 Owen Johnson 与 David More 合著的《Bomengids van Europa》、Jan de Koning 与 Wim van den Broek 的《Dendrologie van de lage landen》、Dirk Slagter 的《Ontdek Winterkenmerken》等入门读物，也包括 Aljos Farjon《世界针叶树手册》（2 卷本）与《针叶树百科全书》等大型工具书。馆员 Wilma Verburg 兼任收藏维护。
姐妹协会、奖项与全国植物收藏认证
协会与比利时皇家树木协会（Koninklijke Vlaamse Dendrologische Vereniging）、比利时树木协会（Belgische Dendrologische Vereniging）、德国树木学会（Deutsche Dendrologische Gesellschaft）、瑞士树木协会（Schweizerische Dendrologische Gesellschaft）、芬兰树木学会（Dendrologian Seura）、南非树木学会（Dendrologiese Vereniging）、波兰树木协会（Polskie Towarzystwo Dendrologiczne）以及国际树木学会（IDS）、国际木兰协会、国际橡树协会、国际山茶协会等 17 家国内外同类机构保持交流，并与荷兰本土的荷兰针叶树协会、荷兰杜鹃花协会、荷兰月季协会、荷兰硬木收藏者协会、KVBC、Bomenstichting 等横向联合。协会自 2017 年起设立 NDV-waardig arboretum 认证，以一至五星 + A4 亚克力铭牌（€ 25，含 UV 防护）的形式对全国符合植物记录、地图标注、导览与网站维护等条件的树木园与植物园进行授牌，已覆盖 Pinetum Ter Borgh（Anloo，Drenthe）、Arboretum Arcadië（Gasselte，五星）、Arboretum Assen（Zeijerveen，五星）、Big Art & Garden（Gees，一星）等多家；Plaquettecommissie 另自 2011 年起向优秀植物收藏颁发铜质 Plaquette，先后授予 Arboretum Poort Bulten（2014）、Botanische Tuin Kerkrade（2016）、Pinetum De Belten（2019）与 Arboretum De Nieuwe Ooster（2023），五年一复查。协会办公地址位于瓦赫宁根，秘书处可通过 secretariaat@dendrologie.nl 联系，网址为 https://dendrologie.nl/ 。
Origins and Royal Designation
The Koninklijke Nederlandse Dendrologische Vereniging (Koninklijke NDV) is an association registered in Wageningen, the Netherlands. It was founded on 10 June 1924 at Hotel de Wereld by landscape architect Leonard Springer together with a group of nurserymen and horticulturists, in response to widespread confusion in the naming of woody plants on Dutch nurseries. Within a year the society had published its first Jaarboek and joined national efforts such as the search for replacement elm cultivars after the spread of Dutch elm disease. Since 1964 the society has co-published the annual Dendroflora with the Koninklijke Vereniging voor Boskoopse Culturen (KVBC); its quarterly membership magazine was renamed Arbor Vitae in 1991. On 11 June 2024, during the centennial celebration at Hotel de Wereld, commissioner of the King Henri Lenferink presented the Predicaat Koninklijk certificate granted by King Willem-Alexander, after which the society formally took the title Koninklijke. Mayor Floor Vermeulen of Wageningen serves as Beschermheer (patron).
Mission, Governance and Volunteers
The constitution defines the society as a knowledge platform and source of inspiration for both professionals and amateurs interested in houtige gewassen (woody plants of the temperate zone), with goals covering research, conservation of plant collections, standardisation of plant names and knowledge exchange across the horticultural community. Membership is open to any individual or institution with an interest in temperate woody plants. Day-to-day affairs are handled by an unpaid seven-member bestuur (board) chaired by Jos Koppen, with Huib Sneep as vice-chair, Wilma Verburg as secretary, Benno Smit as treasurer, and board members Lammert Krgt and Leena Salminen; one seat is currently vacant. Five standing committees report to the board: Scholing en Opleiding (education), Activiteitencommissie (activities), Websitecommissie (web), Bibliotheekcommissie (library) and Plaquettecommissie (collections). The Algemene Ledenvergadering (annual general meeting) takes place in early March.
Year Programme, Courses and Awards
Each year the society organises roughly twelve member events: the Sortimentsdag (cultivar day), Larensteindag, Dendrologendag, Najaarsbijeenkomst, the Algemene Ledenvergadering and a three-day Zomerbijeenkomst that travels abroad every third year. Education consists of two practical courses (A, “Inleiding tot de dendrologie”, and B, “Praktische dendrologie”) and one theoretical course (C, “Vervolgcursus dendrologie”, paused in 2026), taught at five venues: Arboretum De Nieuwe Ooster in Amsterdam, Arboretum Trompenburg in Rotterdam, Arboretum Oudenbosch, Belmonte Arboretum in Wageningen and the Botanische Tuin Utrecht. Fees in 2026 stand at € 360 for NDV members and € 400 for non-members, with a minimum of twelve participants per group. The Dendrologisch Fonds “Theo Janson” supports Dutch and Belgian projects of educational or idealistic dendrological importance with an annual budget of about € 1 000 and a ceiling of € 5 000. The S.G.A. Doorenbospenning medal, named after co-founder S.G.A. Doorenbos, comes in silver and bronze and rotates roughly every five years.
Publications, Library and Plant-Name Standard
The society’s publications fall into two streams: the annual Dendroflora (Dutch with English abstracts, reporting cultivar trials, variety assessments and naming research) co-produced with KVBC, and the quarterly Arbor Vitae (full-colour membership magazine with event announcements, dendrological articles, book reviews and news). The Arbor Vitae table of contents has been archived online back to 2006. In April 2024 the society published the second edition of the Standaardlijst Nederlandse namen van cultuurplanten, listing about 10 000 preferred Dutch common names for cultivated plants. The members’ library is housed in the entrance building of Arboretum Trompenburg in Rotterdam and can be consulted by appointment (010-2330166). Holdings range from introductory guides such as Johnson & More’s Bomengids van Europa, De Koning & Van den Broek’s Dendrologie van de lage landen and Dirk Slagter’s Ontdek Winterkenmerken, to large reference works including Aljos Farjon’s two-volume Handbook of the World’s Conifers and the Encyclopedia of Conifers.
Sister Societies, Medals and Arboretum Accreditation
The Koninklijke NDV maintains ties with seventeen sister societies, including the Koninklijke Vlaamse Dendrologische Vereniging, Belgische Dendrologische Vereniging, Deutsche Dendrologische Gesellschaft, Schweizerische Dendrologische Gesellschaft, Dendrologian Seura (Finland), the South African Dendrologiese Vereniging, Polskie Towarzystwo Dendrologiczne, the International Dendrology Society, International Magnolia Society and International Oak Society, as well as Dutch counterparts such as the Nederlandse Coniferen Vereniging, Nederlandse Rhododendron Vereniging, Nederlandse Rozen Vereniging, KVBC and Bomenstichting. Since 2017 the society has run the NDV-waardig arboretum accreditation scheme, awarding one to five stars plus a UV-resistant A4 acrylic plaque (€ 25) to arboreta meeting its administrative and visitor criteria; recipients include Pinetum Ter Borgh (Anloo), Arboretum Arcadië (Gasselte, five stars), Arboretum Assen (Zeijerveen, five stars) and Big Art & Garden (Gees, one star). The Plaquettecommissie has issued copper plaquettes to Arboretum Poort Bulten (2014), Botanische Tuin Kerkrade (2016), Pinetum De Belten (2019) and Arboretum De Nieuwe Ooster (2023), with reviews every five years. The society’s secretariat can be reached at secretariaat@dendrologie.nl; the official website is https://dendrologie.nl/.
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