condition mean min max Sterile Leaflet 0.21641666666666667 0.0 0.64925 Fertile Leaflet with Sori 2.3704066666666668 0.28393 3.96295 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11309399999999999 0.0 0.339282 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0