condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 2.8420063333333334 0.329141 7.47283 Rhizome 1.903646 0.0 5.07294 Root 0.29208033333333333 0.0 0.710323