A trait-based approach across the native and invaded range to understand plant invasiveness and community impact.

Helsen, K., Matsushima, H., Somers, B., Honnay, O., (2021). Oikos 130(6), 1001-1013. Wiley, Copenhagen, Denmark. English language

Inter- and intraspecific trait variation shape multidimensional trait overlap between two plant invaders and the invaded communities.

Helsen, K., Cleemput, E. van, Bassi, L., Graae, B. J., Somers, B., Blonder, B., Honnay, O., (2020). Oikos 129(5), 677-688. Wiley, Copenhagen, Denmark. English language

Optical traits perform equally well as directly-measured functional traits in explaining the impact of an invasive plant on litter decomposition.

Helsen, K., Cleemput, E. van, Bassi, L., Somers, B., Honnay, O., (2020). Journal of Ecology (Oxford) 108(5), 2000-2011. Wiley, Oxford, UK. English language

Remotely sensed plant traits can provide insights into ecosystem impacts of plant invasions: a case study covering two functionally different invaders.

Cleemput, E. van, Meerbeek, K. van, Helsen, K., Honnay, O., Somers, B., (2020). Biological Invasions 22(12), 3533-3550. Springer, Amsterdam, Netherlands. English language

Earlier onset of flowering and increased reproductive allocation of an annual invasive plant in the north of its novel range.

Helsen, K., Acharya, K. P., Graae, B. J., Kort, H. de, Brunet, J., Chabrerie, O., Cousins, S. A. O., Frenne, P. de, Hermy, M., Verheyen, K., Pélabon, C., (2020). Annals of Botany 126(6), 1005-1016. Oxford University Press, Oxford, UK. English language

Retention of gene diversity during the spread of a non-native plant species.

Vandepitte, K., Helsen, K., Acker, K. van, Mergeay, J., Honnay, O., (2017). Molecular Ecology 26(12), 3141-3150. Wiley, Oxford, UK. English language

No genetic erosion after five generations for Impatiens glandulifera populations across the invaded range in Europe.

Helsen, K., Hagenblad, J., Acharya, K. P., Brunet, J., Cousins, S. A. O., Decocq, G., Frenne, P. de, Kimberley, A., Kolb, A., Michaelis, J., Plue, J., Verheyen, K., Speed, J. D. M., Graae, B. J., (2019). BMC Genetics 20(20), (19 February 2019). BioMed Central Ltd, London, UK. English language

Impacts of an invasive plant on primary production: testing a functional trait-based framework with a greenhouse experiment.

Helsen, K., Kapás, R. E., Rakvaag, G., Speed, J. D. M., Graae, B. J., (2018). Journal of Vegetation Science 29(2), 157-166. Wiley, Oxford, UK. English language

Impact of an invasive alien plant on litter decomposition along a latitudinal gradient.

Helsen, K., Smith, S. W., Brunet, J., Cousins, S. A. O., Frenne, P. de, Kimberley, A., Kolb, A., Lenoir, J., Ma ShiYu, Michaelis, J., Plue, J., Verheyen, K., Speed, J. D. M., Graae, B. J., (2018). Ecosphere 9(1), e02097. Wiley, Oxford, UK. English language

Biotic and abiotic drivers of intraspecific trait variation within plant populations of three herbaceous plant species along a latitudinal gradient.

Helsen, K., Acharya, K. P., Brunet, J., Cousins, S. A. O., Decocq, G., Hermy, M., Kolb, A., Lemke, I. H., Lenoir, J., Plue, J., Verheyen, K., Frenne, P. de, Graae, B. J., (2017). BMC Ecology 17(38), (12 December 2017). BioMed Central Ltd, London, UK. English language