condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.86329 4.24039 11.922 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0