Mucina, L., Bültmann, H., Dierßen, K., Theurillat, J.-P., Raus, T., ?arni A., et al. (2016). Vegetation of Europe: Hierarchical floristic classification system of vascular plant, bryophyte, lichen, and algal communities. Applied Vegetation Science, 19 (Suppl. 1), 3–264. version 2, 2022-06-30.