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 0.22059966666666667 0.0 0.661799 Root 1.85918 0.0 5.57754