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 0.07868166666666666 0.0 0.236045 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 3.0099996666666664 0.355714 7.69485