condition mean min max Sterile Leaflet 0.56163 0.0 1.68489 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 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 5.257596666666666 1.54093 8.46423