condition mean min max Sterile Leaflet 1.053034 0.764609 1.57054 Fertile Leaflet with Sori 1.8016 1.41391 2.16569 Petiole 1.090655 0.996745 1.26484 Crozier 2.47986 2.11179 2.93053 Rhizome 1.0534016666666668 0.416279 2.09384 Root 1.186668 0.802094 1.53828