condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.859239 0.100687 8.32951 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.714166666666667 0.0 8.1425 Petiole 0.0 0.0 0.0 Crozier 0.12463500000000001 0.0 0.193894 Root 0.9005346666666667 0.218314 1.32529