condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.1265583333333336 0.503125 8.75629 Primary Rachis 0.1391145 0.0636185 0.229551 Petiole 0.17441476666666667 0.0 0.448683 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0