condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.07803933333333334 0.0 0.234118 Primary Rachis 0.0 0.0 0.0 Petiole 0.280536 0.0 0.841608 Crozier 0.0 0.0 0.0 Rhizome 0.327077 0.234325 0.468595 Root 10.10314 5.63062 13.0121