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 3.3031556666666666 0.670127 5.53329 Root 2.43805 0.0 4.98303