condition mean min max Sterile Leaflet 0.607343 0.0 1.04756 Fertile Leaflet with Sori 2.2741759999999998 0.773458 3.31301 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.044792 0.0 0.134376 Petiole 0.028293366666666667 0.0 0.0848801 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0