condition mean min max Sterile Leaflet 12.0143 10.0234 13.3676 Fertile Leaflet with Sori 13.6151 12.8761 14.8231 Petiole 14.4554 12.8105 16.259 Rhizome 14.5784 13.5681 15.8305 Root 12.672866666666666 11.6561 13.4979