condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 18.647834 0.0 55.8155 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 0.35583666666666663 0.0 1.06751