condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.067856 0.0 0.203568 Crozier 0.0 0.0 0.0 Rhizome 2.1848566666666667 0.0 6.55457 Root 119.37548666666667 0.0 356.889