condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.093063 0.0 17.8839 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