condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 4.209083333333333 1.63496 8.35792 Petiole 2.51808 0.0 7.55424 Crozier 0.0 0.0 0.0 Rhizome 2.60684 1.92137 3.45841 Root 8.379216666666668 5.85554 10.2536