condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.09302 0.37831 4.54685 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.30953766666666666 0.0 0.54228 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0