condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.165148 0.0 0.270381 Petiole 0.47518466666666664 0.0 1.10896 Crozier 0.9177791333333333 0.0341654 2.58614 Rhizome 3.192056 0.106098 7.50948 Root 9.23237 1.17641 13.5214