%0 Journal Article %K Alien species %K Biodiversity %K alpha diversity %K phylogenetic beta diversity %K phylogeny %B Proceedings of the National Academy of Sciences %D 2009 %G en %N 51 %P 21721-21725 %R 10.1073/pnas.0907088106 %T Plant extinctions and introductions lead to phylogenetic and taxonomic homogenization of the European flora %V 106 %8 12/22/2009 %@ 0027-8424, 1091-6490 %! PNAS