Thijn de Waal Frontoffice Employee / Guest Name T. de Waal Telephone +31 71 527 7249 E-mail t.de.waal@hortus.leidenuniv.nl Frontoffice Employee / Guest Science Hortus Botanicus Hortus Botanicus Contact +31 71 527 7249 t.de.waal@hortus.leidenuniv.nl No relevant ancillary activities Share on Facebook Share on X Share on LinkedIn Share by WhatsApp> Share by Mastodon