condition mean min max Sterile Leaflet 20.7696 16.5243 24.715 Fertile Leaflet with Sori 18.735533333333333 16.6943 19.8832 Primary Rachis 11.14911 9.77813 11.94 Petiole 11.8198 10.3033 12.9357 Crozier 12.006116666666667 9.15595 13.4381 Rhizome 8.26854 5.53706 10.9795 Root 11.8411 10.5889 12.7639