condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.08182966666666668 0.0 0.245489 Rhizome 0.19578099999999998 0.0 0.587343 Root 2.3554813333333335 0.191234 5.13952