condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 3.60871 2.85661 4.99814 Rhizome 0.822114 0.0 2.30329 Root 0.117114 0.0 0.181722