condition mean min max Sterile Leaflet 4.825024666666667 0.0 14.306 Fertile Leaflet with Sori 7.852133333333334 7.03157 9.00004 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 0.0 0.0 0.0