Sliva, J., Kollmann, J.Sümpfe in SüdafrikaTUMcampus2012193
Kollmann, J., Rasmussen, K.K.Succession of a degraded bog in NE Denmark over 164 years – monitoring one of the earliest restoration experimentsTuexenia20123267-86.
Koch, C., Kollmann, J.Wiederansiedlung und Translokation regional ausgestorbener Pflanzenarten. Eine ExpertenbefragungNaturschutz und Landschaftsplanung201244377-82
Heger, T.Richardson, D.M., Editor, 2011. Fifty years of invasion ecology: the legacy of Charles EltonSchweizer Zeitschrift für Forstwesen2012637284
Skou, A.M.T., Pauleit, S. & Kollmann, J.Tracing the introduction history of a potentially invasive ornamental shrub: variation in frost hardiness and climate changeNordic Journal of Botany201230739–746
Skou, A.M.T., Toneatto, F., Kollmann, J.Are plant populations in expanding ranges made up of escaped cultivars? The case of Ilex aquifolium in DenmarkPlant Ecology20122131131–1144
Rozzi, R., Armesto, J. J., Gutierrez, J. R., Massardo, F., Likens, G. E., Anderson, C. B., Poole, A., Moses, K. P., Hargrove, E., Mansilla, A. O., Kennedy, J. H., Willson, M., Jax, K., Jones, C. G., Callicott, J. B., Arroyo, M. T. K.Integrating ecology and environmental ethics: Earth stuardship in the southern end of the Americas. Bioscience2012623226-236
Møller, L.A., Skou, A.M.T., Kollmann, J.Dispersal limitation at the expanding range margin of an evergreen tree in urban habitats?Urban Forestry & Urban Greening20121159–64
Ludwig, M., Schlinkert, H., Holzschuh, A., Fischer, C., Scherber, C., Trnka, A., Tscharntke, T. & Batáry, P.Landscape-moderated bird nest predation in hedges and forest edgesActa Oecologica20124550-56
Koch, C., Kollmann, J.Clonal re-introduction of endangered plant species – the case of German False Tamarisk in pre-alpine riversEnvironmental Management201250217-225