condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.971999666666667 0.0 14.7173 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.07472 0.0 3.22416 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0