condition mean min max Sterile Leaflet 7.245236666666667 0.0 14.5647 Fertile Leaflet with Sori 7.2820566666666675 0.0 19.6761 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0