condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.02004116666666667 0.0 0.0601235 Crozier 3.7733133333333333 0.0 9.18853 Rhizome 0.0567762 0.0 0.118624 Root 0.713751 0.0 1.44131