condition mean min max Sterile Leaflet 4.02803 1.82647 5.27064 Fertile Leaflet with Sori 7.502616333333334 0.823499 16.7663 Petiole 3.8589033333333336 3.62222 4.28901 Crozier 3.20274 2.97144 3.57756 Rhizome 2.830889 0.994567 6.31993 Root 3.16628 2.03934 4.69956