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 4.196866666666667 0.0 12.5906 Root 1.53348 0.0 4.60044