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 0.082567 0.0 0.141893 Rhizome 0.05285733333333333 0.0 0.158572 Root 2.864656 0.259478 5.71292