condition mean min max Sterile Leaflet 1.49627 1.34781 1.67406 Fertile Leaflet with Sori 4.334573333333333 3.43275 5.34995 Petiole 2.61553 1.95905 3.21268 Crozier 25.5065 20.5752 30.4703 Rhizome 3.34139 1.43627 6.79282 Root 3.8180533333333333 2.09796 6.8986