condition mean min max Sterile Leaflet 0.148866 0.0 0.446598 Fertile Leaflet with Sori 0.26742933333333335 0.0 0.802288 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.684763333333333 1.54093 3.94997