condition mean min max Sterile Leaflet 0.09278320000000001 0.0 0.178436 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 2.5155066666666666 0.0 7.54652