condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.19869 0.0 6.26466 Petiole 0.14921133333333333 0.0 0.447634 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.130281 0.0 0.390843