condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.303059333333333 0.165078 9.41434 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0229549 0.0 0.0585668 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.009991333333333333 0.0 0.029974