condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 7.0337700000000005 2.5835 13.3282 Petiole 2.09072 0.0 6.27216 Crozier 0.0 0.0 0.0 Rhizome 3.691961 0.350613 6.96527 Root 9.911156666666667 1.66867 16.8756