condition mean min max Sterile Leaflet 1.4631286666666667 0.409091 3.50117 Fertile Leaflet with Sori 2.5659229999999997 0.328299 6.16041 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.16511333333333333 0.0 0.49534 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0