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 0.12161100000000001 0.0 0.364833 Crozier 0.286682 0.0 0.860046 Rhizome 0.33281066666666664 0.0 0.998432 Root 9.255274666666667 0.652054 25.7554