condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.261536 0.0 0.647794 Petiole 0.043775 0.0 0.131325 Root 4.710833333333333 0.0 14.1325