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 7.634923333333334 0.0 18.873 Root 1.0362733333333334 0.0 3.10882