condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.020342766666666668 0.0 0.0610283 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.74462 0.123161 1.4157 Root 5.426213333333333 1.55862 11.8987