condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 14.79519 2.80898 37.3042 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