condition mean min max Sterile Leaflet 18.3084 17.3106 18.9639 Fertile Leaflet with Sori 24.27423333333333 21.3419 28.8251 Petiole 23.4055 21.2827 25.0682 Crozier 13.122200000000001 10.2133 16.3165 Rhizome 23.563 17.4086 28.3702 Root 50.303133333333335 42.5264 58.8933