condition mean min max Sterile Leaflet 5.01597 2.89541 6.28208 Fertile Leaflet with Sori 5.38063 4.27294 6.73383 Primary Rachis 6.19486 5.90003 6.62267 Petiole 5.88796 5.19731 6.71808 Crozier 5.72912 5.51579 6.12205 Rhizome 5.43876 4.5685 6.70351 Root 2.4027366666666667 1.89418 2.77839