condition mean min max Sterile Leaflet 7.3615 4.64701 8.80044 Fertile Leaflet with Sori 8.83351 8.58627 9.01036 Petiole 8.00338 7.62839 8.43543 Rhizome 7.92185 7.46384 8.47154 Root 7.03754 6.71173 7.58303