condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.024519633333333332 0.0 0.0735589 Rhizome 0.0135684 0.0 0.0407052 Root 4.0648713333333335 0.206954 10.1275