condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.03854066666666667 0.0 0.115622 Rhizome 0.33547899999999997 0.220834 0.481031 Root 9.90466 3.07018 16.6161