condition mean min max Sterile Leaflet 5.838743333333333 1.89348 10.6003 Fertile Leaflet with Sori 2.8563833333333335 1.81319 4.02949 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.41109 0.0 0.832171 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0