condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.029794033333333334 0.0 0.0893821 Primary Rachis 0.0071635 0.0 0.0214905 Secondary Rachis 0.007862300000000001 0.0 0.0235869 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 8.044216666666667 2.75244 17.5459