condition mean min max Sterile Leaflet 0.05448136666666666 0.0 0.0877935 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 9.876046666666667 3.48197 21.402 Root 0.0 0.0 0.0