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 0.04182433333333333 0.0 0.125473 Rhizome 0.3027957333333333 0.0 0.836879 Root 2.901398 0.948764 5.15825