condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.025889366666666667 0.0 0.0776681 Root 6.0076284666666675 0.0 17.9459