condition mean min max Sterile Leaflet 0.11355966666666667 0.0 0.340679 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 4.6014246666666665 0.350504 11.6538