condition mean min max Sterile Leaflet 0.37767106666666667 0.0535582 0.554753 Fertile Leaflet with Sori 0.0794274 0.0 0.180861 Primary Rachis 0.17324276666666666 0.0452153 0.310725 Petiole 0.0507652 0.0451775 0.053596 Crozier 0.0 0.0 0.0 Rhizome 0.098271 0.0 0.294813 Root 10.595751 0.262203 26.7752