condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.9089456666666669 0.596097 4.12804 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.056564333333333335 0.0 0.169693 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0