condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 9.050846666666667 7.71963 10.6817 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.7617133333333332 0.0 7.30549 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0