condition mean min max Sterile Leaflet 0.4922866666666667 0.0 1.47686 Fertile Leaflet with Sori 2.7020666666666666 1.38163 4.0357 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.35947 0.0 1.07841 Root 0.49829999999999997 0.0 1.4949