condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.87596 0.0 1.52131 Petiole 4.452866666666667 0.0 9.80916 Root 0.0 0.0 0.0