condition mean min max Sterile Leaflet 0.14178633333333332 0.0 0.425359 Fertile Leaflet with Sori 3.65819 1.79614 4.61938 Petiole 0.028015666666666668 0.0 0.0436073 Crozier 18.1693 12.1026 27.8838 Rhizome 0.6442789999999999 0.0 1.41892 Root 1.151148 0.0 2.85523