condition mean min max Sterile Leaflet 9.424987 0.126931 23.9236 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.2098936666666666 0.468471 1.75842 Petiole 0.09725166666666667 0.0 0.147894 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.052217000000000006 0.0 0.156651