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 2.3465671666666665 0.0 6.95319 Root 0.25182246666666663 0.0 0.742281