condition mean min max Sterile Leaflet 0.0441029 0.0 0.116677 Fertile Leaflet with Sori 2.2933866666666667 1.18815 3.38211 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.010496100000000001 0.0 0.0163252 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0738175 0.0 0.123392