condition mean min max Sterile Leaflet 0.7984673333333334 0.0 2.00863 Fertile Leaflet with Sori 0.18175300000000003 0.0 0.545259 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.0477426666666667 0.0 2.91571 Rhizome 0.265731 0.182493 0.431652 Root 5.816897333333333 0.742312 10.4859