condition mean min max Sterile Leaflet 0.49475033333333335 0.0 0.858916 Fertile Leaflet with Sori 0.39091733333333334 0.0 0.862653 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.081355 0.0 0.244065 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 14.56605 7.95845 23.8322