condition mean min max Sterile Leaflet 0.12164733333333333 0.0 0.364942 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 Root 4.7143 0.0 14.1429