condition mean min max Sterile Leaflet 16.0628 10.4229 21.3906 Fertile Leaflet with Sori 7.4243 6.33086 9.02384 Primary Rachis 0.09629966666666667 0.0 0.288899 Secondary Rachis 2.166049666666667 0.294959 4.92868 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0