1. Butterfly diversity loss in Flanders (north Belgium): Europe’s worst case scenario?;D Maes;Biol Conserv,2001
2. Rapid responses of British butterflies to opposing forces of climate and habitat change;MS Warren;Nature,2001
3. Comparative losses of British butterflies, birds, and plants and the global extinction crisis;JA Thomas;Science,2004
4. Van Swaay CAM, Van Strien AJ, Aghababyan K, Åström S, Botham M, Brereton T, et al. The European Butterfly Indicator for Grassland species 1990-2013. Report VS2015.009. 2015; De Vlinderstichting, Wageningen.
5. Ecological specialization matters: long‐term trends in butterfly species richness and assemblage composition depend on multiple functional traits;A Eskildsen;Divers Distrib,2015