condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.617993333333333 0.0 7.85398 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.092756666666667 0.0 6.27827 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0