condition mean min max Sterile Leaflet 0.341893 0.0 0.799048 Fertile Leaflet with Sori 0.15581 0.0 0.46743 Primary Rachis 0.019196866666666666 0.0 0.0575906 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 4.671913166666666 0.0565995 12.5245