condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.126263 0.0 0.378789 Rhizome 2.594523333333333 0.0 4.57576 Root 3.0442929999999997 0.340639 5.17073