condition mean min max Sterile Leaflet 0.099343 0.0 0.298029 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.103538 0.0 0.162316 Rhizome 0.169517 0.0 0.508551 Root 17.371666666666666 1.43336 45.7615