condition mean min max Sterile Leaflet 2.151133333333333 1.33303 3.57351 Fertile Leaflet with Sori 5.9493 4.90934 7.86712 Petiole 7.54388 6.84753 8.68685 Crozier 4.03701 2.96687 4.66736 Rhizome 5.60133 4.22961 7.44837 Root 3.7107 1.49708 7.03908