condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 10.749711999999999 0.319906 28.5768 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 0.0 0.0 0.0