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 0.011575166666666666 0.0 0.0347255 Rhizome 0.1343517 0.0318611 0.188746 Root 20.767983333333333 9.86265 29.8637