condition mean min max Sterile Leaflet 0.7288213333333333 0.0 1.81414 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.40592999999999996 0.0 1.21779 Petiole 0.5421016666666666 0.0 1.21887 Crozier 0.26122533333333336 0.0 0.783676 Rhizome 0.23194099999999998 0.0 0.695823 Root 15.65062 8.90526 28.9395