condition mean min max Sterile Leaflet 0.016600793333333332 0.00940818 0.0303054 Fertile Leaflet with Sori 3.631705666666667 0.578217 6.82678 Primary Rachis 0.009857033333333333 0.0 0.0295711 Secondary Rachis 0.1766375 0.0881885 0.326851 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0301604 0.0114209 0.0664063