condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.9180543333333333 0.947183 3.51059 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.03698133333333333 0.0 0.110944 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.122089 0.0 0.366267