condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.0411016666666666 0.331565 6.06811 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0