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 0.0 0.0 0.0 Crozier 0.008886666666666666 0.0 0.02666 Rhizome 0.7607743333333333 0.608772 0.914916 Root 9.16747 6.41221 10.9159