condition mean min max Sterile Leaflet 5.2102900000000005 4.79314 5.57406 Fertile Leaflet with Sori 6.817143333333333 6.65115 6.94616 Rhizome 7.5472600000000005 6.94501 8.35757 Root 8.214763333333334 7.42634 9.65063