condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.161328 0.309284 12.9914 Petiole 5.3457300000000005 1.3019 9.43654 Crozier 2.13876 0.0 5.12235 Rhizome 5.120383666666666 0.283861 7.87378 Root 3.8318606666666666 0.314542 5.91857