condition mean min max Sterile Leaflet 1.05776 0.0 3.17328 Fertile Leaflet with Sori 2.1815766666666665 0.0 3.701 Primary Rachis 0.09713999999999999 0.0 0.156157 Petiole 0.09727366666666666 0.0 0.147894 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0