condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.20235 0.0 4.03927 Petiole 3.6567833333333333 0.0 5.74858 Crozier 1.14334 0.0 3.43002 Rhizome 2.64625 0.0 4.31503 Root 2.51017 0.0 4.89006