condition mean min max Sterile Leaflet 0.22642533333333334 0.0 0.679276 Fertile Leaflet with Sori 8.157793999999999 0.687952 22.7074 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.32822866666666667 0.0 0.984686 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 14.09438 9.32094 18.6374