condition mean min max Sterile Leaflet 4.778453333333333 3.9836 5.79632 Fertile Leaflet with Sori 5.8506100000000005 5.67598 5.97137 Petiole 4.22103 3.63326 5.12917 Rhizome 4.238683333333333 3.57653 4.58061 Root 2.61699 2.13309 3.20231