condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.113302 0.0 0.339906 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 5.639344666666667 0.770514 11.4755