condition mean min max Sterile Leaflet 2.561343 0.835509 5.33001 Fertile Leaflet with Sori 69.5227 29.8823 91.4883 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.2738666666666667 0.191291 6.15613 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 1.48099 0.58558 2.78214