condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.131763 0.0 0.395289 Primary Rachis 0.9545833333333333 0.0 2.86375 Secondary Rachis 3.3157846666666666 0.245784 8.62889 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 14.94167 5.05851 24.6716