condition mean min max Sterile Leaflet 3.2628233333333334 0.0 9.78847 Fertile Leaflet with Sori 1.5799910000000001 0.0 4.408 Primary Rachis 2.235046 0.295941 5.67351 Petiole 4.098416666666667 0.0 9.74083 Root 0.134012 0.0 0.402036