condition mean min max Sterile Leaflet 3.04271 2.68564 3.29743 Fertile Leaflet with Sori 17.05094 7.20662 28.2369 Petiole 3.53508 2.12227 4.37216 Crozier 4.331526666666667 3.64085 5.06276 Rhizome 3.13842 2.66776 3.89068 Root 4.40106 3.85057 5.43924