condition mean min max Sterile Leaflet 0.0147876 0.0 0.0443628 Fertile Leaflet with Sori 0.0421082 0.0 0.0828035 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.05753186666666667 0.0 0.10616 Root 2.507070533333333 0.0570514 7.36973