condition mean min max Sterile Leaflet 3.41526 2.53915 3.91867 Fertile Leaflet with Sori 3.76858 3.06805 4.30941 Petiole 3.26011 2.3699 4.04886 Crozier 5.0292 4.73151 5.27126 Rhizome 3.10107 2.74592 3.78523 Root 6.615636666666666 4.76141 8.98945