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 2.3453633333333332 0.0 5.52603 Root 0.8780105 0.0 2.54915