Abstract. Delforge, P. & Devillers, P. 2013 - Section Orchids of Europe - Report of activities 2011-2012 [Natural. belges 94 (Orchid. 26): 1-26]. The winter program comprised illustrated talks on a wide variety of topics: distribution, systematics, identification, hybrids, ecology, protection, as well as discussions on techniques and other aspects of orchid study. Summer field trips and significant observations are reported.
Key-Words: Orchidaceae; flora of Belgium, France, Germany, Greece, Italy, Portugal, Spain; biogeography, species concept, taxonomy.