condition mean min max Sterile Leaflet 0.061511666666666666 0.0 0.184535 Fertile Leaflet with Sori 3.5026433333333333 2.98083 4.29719 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0485868 0.0 0.0935077 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.017704 0.0 0.053112