condition mean min max Sterile Leaflet 15.1075 12.9351 16.635 Fertile Leaflet with Sori 20.8341 19.5112 22.2872 Petiole 17.5317 16.0868 19.1854 Crozier 30.4266 27.8486 35.3941 Rhizome 15.8863 11.0934 20.8873 Root 22.783133333333332 18.4357 25.9077