condition mean min max Sterile Leaflet 27.197066666666668 24.1093 30.8654 Fertile Leaflet with Sori 28.6576 28.2247 29.0276 Primary Rachis 77.2688 70.6794 86.4571 Petiole 81.5523 73.1029 95.8071 Crozier 40.515 34.2875 51.954 Rhizome 51.6225 26.2126 64.907 Root 33.072433333333336 15.4825 54.7655