condition mean min max Sterile Leaflet 0.5353186666666667 0.0 1.32268 Fertile Leaflet with Sori 5.905683 0.339919 11.0464 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5643996666666666 0.261748 0.850237 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.655865 0.0 1.26482