- Optically measured mean leaf traits from a large set of taxa growing in two botanical gardens: in the French Alps and southern Finland(2022-12-05) Hartikainen, Saara M.; Robson, T. Matthew; University of Helsinki - Hartikainen, Saara M.; University of Helsinki; UK National Forestry School, University of Cumbria - Ambleside - Robson, T. Matthew