Vegetation survey data of the study site Monte Rufeno LAZ1 (LTER_EU_IT_034). The percentage cover of every vascular plant and moss species was determined on 12 permanently marked subplots (10 x 10 m) on a 0.25 ha study area, by vertical layers between the years 1999 and 2016.

Vegetation survey data of mixed oak-beech (Quercus robur L., Fagus sylvatica L.) plantation at the LTER site Gontrode (LTER_EU_BE_03), Belgium. The percentage cover of vascular plant and moss species was recorded on 10 x 10 m (100 m²) permanently marked subplots between the years 1996 and 2017.