condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.765796666666667 5.03296 8.32897 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 0.049997999999999994 0.0 0.149994