condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.012604766666666668 0.0 0.0378143 Rhizome 0.54703 0.0 1.64109 Root 2.043413333333333 0.0 5.94628