condition mean min max Sterile Leaflet 3.51479 3.21942 4.08572 Fertile Leaflet with Sori 3.5054133333333333 3.10938 4.27038 Primary Rachis 2.1731966666666667 1.85386 2.46986 Petiole 1.8595199999999998 1.6959 2.03617 Crozier 4.00328 3.78837 4.1167 Rhizome 2.00673 1.43844 3.03531 Root 1.269285 0.599565 1.98343