condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.5358036666666667 0.265779 0.944683 Rhizome 0.99036 0.0 1.61674 Root 2.37777 1.68366 3.62683