condition mean min max Sterile Leaflet 5.3887 0.0 16.1661 Fertile Leaflet with Sori 0.7296299999999999 0.0 2.18889 Primary Rachis 0.8203266666666668 0.0 2.46098 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0