condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.344806666666667 6.49138 8.41998 Primary Rachis 0.0207267 0.0 0.0621801 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.022713866666666666 0.0 0.0681416