condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.120641 0.0 0.361923 Root 2.784129333333333 0.296907 7.21266