condition mean min max Sterile Leaflet 4.21319 2.56754 5.2393 Fertile Leaflet with Sori 5.45466 4.98328 6.10145 Petiole 5.07656 4.88343 5.37889 Rhizome 5.87353 5.41971 6.19079 Root 4.8097433333333335 4.4938 5.36235