condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.3208 0.0 12.9624 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.04396733333333333 0.0 0.131902 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.204932 0.0 0.40192