Contrasting patterns in leaf traits of Mediterranean shrub communities along an elevation gradient: measurements matter - Giandiego Campetella; Stefano Chelli; Camilla Wellstein; Emmanuele Farris; Giacomo Calvia; Enrico Simonetti; Lubov Borsukiewicz; Sula Vanderplank; Michela Marignani (Plant Ecology, 2019)