condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.02563743333333333 0.0 0.0560819 Primary Rachis 0.061757 0.0 0.185271 Secondary Rachis 0.0908958 0.0 0.248555 Petiole 0.019581666666666667 0.0 0.058745 Crozier 52.4158 25.6566 91.4841 Root 0.393224 0.052839 0.820097