condition mean min max Sterile Leaflet 0.755592 0.468648 0.975359 Fertile Leaflet with Sori 0.45395066666666667 0.441501 0.47881 Primary Rachis 1.1015679999999999 0.748784 1.34053 Petiole 0.298317 0.0 0.894951 Crozier 0.147945 0.0 0.443835 Rhizome 8.701956666666666 2.77872 14.0806 Root 6.61507 4.9324 9.79036