condition mean min max Sterile Leaflet 4.9156200000000005 3.68711 6.06553 Fertile Leaflet with Sori 5.289866666666667 4.35816 5.78579 Primary Rachis 3.098883333333333 2.91489 3.41632 Petiole 2.9085 2.65686 3.07407 Crozier 3.8803799999999997 3.49909 4.16006 Rhizome 3.36297 2.37298 4.56955 Root 2.12519 1.51806 3.1005