condition mean min max Sterile Leaflet 6.88342 5.73488 7.69693 Fertile Leaflet with Sori 7.69377 5.8875 8.76905 Primary Rachis 4.73818 3.75176 5.39178 Petiole 5.81459 4.50759 6.66789 Crozier 5.737653333333333 4.56474 6.81346 Rhizome 3.53837 3.35874 3.81037 Root 2.08618 0.49164 3.5072