condition mean min max Sterile Leaflet 2.4166366666666668 1.32078 4.02215 Fertile Leaflet with Sori 3.63586 2.74793 5.02807 Petiole 3.7257700000000002 2.4576 5.74924 Crozier 3.78418 2.6694 4.96053 Rhizome 3.42915 1.53579 6.74393 Root 4.209933333333334 2.92387 5.90073