condition mean min max Sterile Leaflet 0.18321766666666664 0.0 0.549653 Fertile Leaflet with Sori 0.0303805 0.0 0.0544383 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.063126 0.0 0.189378 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.739416666666667 2.88771 7.28518