condition mean min max Sterile Leaflet 3.343703 0.0 9.21922 Fertile Leaflet with Sori 0.44957 0.0 1.34871 Primary Rachis 0.506301 0.0 1.25816 Petiole 0.08399733333333333 0.0 0.251992 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0