condition mean min max Sterile Leaflet 5.097051666666666 0.355185 11.3093 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.49750999999999995 0.0 1.49253 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.136649 0.0 0.409947 Root 0.0 0.0 0.0