condition mean min max Sterile Leaflet 0.26497966666666667 0.0 0.409158 Fertile Leaflet with Sori 0.49876800000000004 0.0 1.12681 Primary Rachis 0.124622 0.0 0.373866 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 5.35282 1.69815 11.7748