condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.20141266666666668 0.0 0.604238 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.21543066666666666 0.0 0.646292 Petiole 0.47957 0.0 1.43871 Crozier 0.246031 0.0 0.370762 Root 6.5444189999999995 0.785257 14.9812