condition mean min max Sterile Leaflet 2.07762 0.0 6.23286 Fertile Leaflet with Sori 5.58037 3.75744 7.58802 Primary Rachis 9.636446666666666 7.21571 13.2967 Petiole 10.834106666666667 9.82992 11.6573 Crozier 0.3514 0.0 1.0542 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0