condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.077913 0.0 0.233739 Primary Rachis 8.33754 5.65935 12.7463 Petiole 1.5339766666666668 0.0 4.60193 Crozier 0.010499799999999998 0.0 0.0314994 Rhizome 7.98956 2.40246 11.6131 Root 18.71138 7.56904 24.967