Greenhouse and field data of Jacobaea aquatica experiments testing the effects of shading

Collected data from three grassland experiments and a corresponding greenhouse experiment to assess the effects of shading and site conditions on the vegetative and generative growth of a native invader. Data correspond to measured values of vitality of plants in the greenhouse and field, to abundance of the species in the field and to environmental site conditions and decrease in light quantity. For details regarding each dataset, please refer to the readme file.