condition mean min max Sterile Leaflet 5.9638789 0.0916827 17.1864 Fertile Leaflet with Sori 5.929306 0.666648 13.5908 Primary Rachis 0.0156549 0.0 0.0469647 Petiole 0.0 0.0 0.0 Crozier 5.13146 2.25414 9.04821 Rhizome 0.21721843333333332 0.0773073 0.31464 Root 2.137376666666667 0.71065 4.32305