condition mean min max Sterile Leaflet 10.734946666666666 0.0 28.63 Fertile Leaflet with Sori 6.533176 0.759738 11.5755 Primary Rachis 1.82872 0.0 2.79169 Petiole 0.24861733333333333 0.0 0.745852 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0