condition mean min max Sterile Leaflet 15.750996666666667 0.0 45.9132 Fertile Leaflet with Sori 0.676758 0.0 1.62913 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0