condition mean min max Sterile Leaflet 3.8360139999999996 0.980742 6.42355 Fertile Leaflet with Sori 0.8237099999999999 0.0 1.28059 Petiole 0.30378333333333335 0.0 0.91135 Crozier 0.455751 0.213939 0.925507 Rhizome 0.0 0.0 0.0 Root 0.14668366666666668 0.0 0.440051