condition mean min max Sterile Leaflet 3.17849 1.24494 4.14981 Fertile Leaflet with Sori 1.706094 0.665132 3.29949 Petiole 0.0 0.0 0.0 Crozier 0.1883952 0.0745626 0.284238 Rhizome 0.0 0.0 0.0 Root 0.05124133333333333 0.0 0.153724