condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.267399033333333 0.0534631 6.54517 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0