condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 85.0893 57.4177 130.653 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.25085566666666664 0.0 0.512841 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.079919 0.0 0.239757