condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.16146966666666668 0.0 0.245846 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.530142 0.0 1.02978 Root 13.118446666666667 1.47494 25.6325