condition mean min max Sterile Leaflet 6.505 0.0 19.515 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 16.627841333333333 0.607934 43.8395 Rhizome 2.864253 0.946979 4.59515 Root 2.5293863333333335 0.476859 4.42047