condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.7291289333333334 0.0638389 2.04251 Rhizome 2.047793 0.0 5.17613 Root 0.0 0.0 0.0