condition mean min max Sterile Leaflet 2.1004199999999997 1.62897 2.76441 Fertile Leaflet with Sori 2.6765 1.76736 4.20743 Petiole 2.20291 1.0295 3.05023 Crozier 3.20825 2.04804 5.06374 Rhizome 3.201603 0.827219 7.55445 Root 1.647334 0.301192 4.02918