condition mean min max Sterile Leaflet 4.297416666666667 0.0 10.1867 Fertile Leaflet with Sori 2.185979666666667 0.715909 3.93353 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0