condition mean min max Sterile Leaflet 4.694212 0.375146 9.68811 Fertile Leaflet with Sori 4.8631 2.00572 7.28891 Primary Rachis 3.408797666666667 0.658593 8.17481 Petiole 2.0589313333333332 0.343374 3.17454 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0