condition mean min max Sterile Leaflet 2.2479299999999998 1.57842 2.6275 Fertile Leaflet with Sori 2.51451 2.29426 2.71745 Petiole 3.3505533333333335 2.98345 3.66758 Rhizome 3.39822 2.79946 3.83807 Root 3.180703333333333 2.52939 3.72841