condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.65931 0.0 7.97793 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.4843466666666667 0.0 1.45304 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0