condition mean min max Sterile Leaflet 6.478706666666667 3.66935 11.4086 Fertile Leaflet with Sori 9.088003333333333 2.93889 16.1103 Primary Rachis 7.3566400000000005 3.75733 13.0106 Petiole 11.6301 6.6956 19.9825 Root 3.87629 0.0 6.42755