condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0194643 0.0 0.0583929 Secondary Rachis 0.0 0.0 0.0 Petiole 0.015115266666666667 0.0 0.0453458 Crozier 2.77171 2.13949 3.65067 Root 0.0 0.0 0.0