Veronika Kalusová, Milan Chytrý, Robert K. Peet, and Thomas R. Wentworth. 2015. Intercontinental comparison of habitat levels of invasion between temperate North America and Europe. Ecology 96:3363–3373. http://dx.doi.org/10.1890/15-0021.1
Appendix A: Crosswalk between vegetation classification units.
Ecological Archives E096-287-A1.
Appendix B: List of alien species of all kinds.
Ecological Archives E096-287-A2.
Appendix C: Cumulative numbers of alien and native species in analogous habitats.
Ecological Archives E096-287-A3.