condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.09051333333333333 0.0 0.27154 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.334032 0.229049 0.543942 Root 90.47938666666667 4.03446 247.126