condition mean min max Sterile Leaflet 2.46846 1.44508 3.64568 Fertile Leaflet with Sori 5.77073 5.37223 6.03813 Petiole 1.7854599999999998 1.2449 2.73405 Crozier 2.98594 2.37729 3.7154 Rhizome 2.77797 1.11041 4.97216 Root 2.9262466666666667 1.80046 4.96952