condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 8.532904 0.299822 24.258 Primary Rachis 0.305841 0.0 0.469032 Secondary Rachis 3.852933333333333 0.0 11.5588 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.600535 0.217003 1.36145