condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.505806666666667 0.0 7.51742 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.82022 0.0 2.46066 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0