condition mean min max Sterile Leaflet 1.6092373333333334 0.979212 2.71685 Fertile Leaflet with Sori 2.17339 1.95417 2.42911 Petiole 1.164326 0.763968 1.62038 Crozier 4.7336800000000006 3.53186 6.35153 Rhizome 3.04918 2.28576 3.90922 Root 5.49323 4.32447 6.86438