condition mean min max Sterile Leaflet 0.9129246666666666 0.411384 1.83971 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 6.052386666666666 0.61655 10.4897