condition mean min max Sterile Leaflet 0.38194 0.0 1.14582 Fertile Leaflet with Sori 0.132101 0.0 0.396303 Primary Rachis 0.2690076666666667 0.0 0.807023 Secondary Rachis 0.3843619 0.0 1.0868 Petiole 0.11167833333333334 0.0 0.335035 Crozier 0.47602000000000005 0.0 1.42806 Root 6.945633333333333 3.04684 13.0671