condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.09555033333333333 0.0 0.286651 Petiole 0.0 0.0 0.0 Root 9.337475666666666 0.879957 23.7794