condition mean min max Sterile Leaflet 0.13733133333333333 0.0 0.267434 Fertile Leaflet with Sori 5.03957 0.0 12.9748 Primary Rachis 0.046608000000000004 0.0 0.139824 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.13020366666666666 0.0 0.390611