condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.300992 0.631996 14.2098 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