condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.44613 0.0 7.33839 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6714333333333333 0.0 2.0143 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0