condition mean min max Sterile Leaflet 7.578993333333333 6.69153 8.58762 Fertile Leaflet with Sori 6.57503 6.51457 6.65935 Petiole 4.03462 3.41296 4.80329 Crozier 13.3627 11.6435 14.3857 Rhizome 3.22831 2.22424 4.92425 Root 3.47802 2.04504 4.41846