condition mean min max Sterile Leaflet 0.25903766666666667 0.0 0.777113 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 4.05604 3.47521 4.50612 Rhizome 0.07194199999999999 0.0 0.215826 Root 0.0227065 0.0 0.0681195