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 2.1904923333333333 0.0 6.43805 Rhizome 0.019968133333333332 0.0 0.0599044 Root 0.0 0.0 0.0