condition mean min max Sterile Leaflet 6.41538 0.0 15.2887 Fertile Leaflet with Sori 2.5833703333333333 0.436281 5.53864 Primary Rachis 6.834148 0.0 20.2833 Petiole 0.16158433333333333 0.0 0.258638 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0