condition mean min max Sterile Leaflet 0.676462 0.0 1.42336 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.073601 0.0 0.220803 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.5498036666666667 0.0 1.42836 Root 4.992086666666666 1.05402 10.4725