condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 10.370458 0.682634 28.0827 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.14593066666666668 0.0 0.437792 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0