condition mean min max Sterile Leaflet 8.247289 0.593467 13.1583 Fertile Leaflet with Sori 7.521926666666667 3.37005 14.5386 Primary Rachis 1.87953 1.0554 3.44721 Petiole 1.2438943333333334 0.759823 1.93242 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0