condition mean min max Sterile Leaflet 1.528057 0.944031 1.96667 Fertile Leaflet with Sori 2.126236 0.265328 4.37747 Primary Rachis 2.9164933333333334 1.06301 6.55242 Petiole 3.1830700000000003 2.20107 4.29689 Crozier 11.282399999999999 10.0337 12.9965 Rhizome 13.358853333333332 5.44606 17.7807 Root 3.0477343333333335 0.481083 6.77189