condition mean min max Sterile Leaflet 0.487981 0.0 1.17583 Fertile Leaflet with Sori 0.590786 0.277306 0.836171 Primary Rachis 0.5454066666666667 0.322118 0.709086 Petiole 1.4039273333333333 0.324092 2.56221 Crozier 0.68721 0.306968 1.40688 Rhizome 2.22913 1.98455 2.4933 Root 0.615926 0.0 1.12779