condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 10.717233333333333 6.1228 17.0027 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.013551866666666667 0.0 0.0406556 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0