condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.4870123333333333 0.0 0.763425 Rhizome 0.136649 0.0 0.409947 Root 2.881476666666667 0.0 6.92006