condition mean min max Sterile Leaflet 10.42234 2.02283 25.606 Fertile Leaflet with Sori 12.286313333333334 4.57055 22.8196 Primary Rachis 3.37925 1.94944 4.46282 Petiole 4.74564 2.65992 7.40979 Crozier 73.6878 50.5645 88.4404 Rhizome 14.203286666666667 7.86542 26.7953 Root 12.631762333333333 0.800187 23.5306