condition mean min max Sterile Leaflet 0.207765 0.0 0.422619 Fertile Leaflet with Sori 3.4488433333333335 1.20692 5.39788 Primary Rachis 0.014901 0.0 0.044703 Secondary Rachis 0.439867 0.258937 0.626098 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0