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 Crozier 0.05443166666666666 0.0 0.163295 Rhizome 0.1637219 0.0 0.411373 Root 8.491418 0.08116 25.1344