condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.1694099999999996 0.0 9.50823 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.7376866666666667 0.0 2.21306 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0