condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.008621 0.0 0.025863 Rhizome 0.0096553 0.0 0.0289659 Root 1.9777253333333333 0.292306 4.58303