condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.26390033333333335 0.0 0.791701 Root 2.7657833333333333 0.0 8.29735