Abstract. Delforge, P., Lion, J.-P. & Mast de Maeght, J.- Section Orchids of Europe - Report of activities 2003-2004 [Natural. belges 86 (Orchid. 18) (2005): 1-20]. 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 Azores, Belgium, Canaries, Croatia, France, Germany, Greece, Italy, Madeira, Portugal, Spain, Turkey.