condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.005266033333333333 0.0 0.0157981 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.004858166666666667 0.0 0.0145745 Crozier 0.0 0.0 0.0 Root 3.4626259999999998 0.0 9.79946