condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.03863386666666667 0.0 0.0709879 Rhizome 4.227834333333333 0.565263 8.38389 Root 0.370906 0.156772 0.65642