condition mean min max Sterile Leaflet 13.63456 9.57788 18.5477 Fertile Leaflet with Sori 12.596313333333333 8.84694 18.5052 Primary Rachis 9.37862 8.18491 11.0868 Secondary Rachis 8.79672 7.67941 10.4665 Petiole 9.164856666666667 7.17358 12.7477 Crozier 12.9191 12.2073 13.8852 Root 5.507583333333334 4.51814 6.06571