condition mean min max Sterile Leaflet 2.6808599999999996 0.0 8.04258 Fertile Leaflet with Sori 0.94442 0.0 2.83326 Primary Rachis 14.598999999999998 0.0 43.797 Secondary Rachis 10.728866666666667 0.0 32.1866 Petiole 9.958433333333334 0.0 29.8753 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0