condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.3670633333333333 0.0 1.10119 Petiole 0.0 0.0 0.0 Root 2.3037926666666664 0.390435 6.0684