condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.146213333333334 0.56541 6.5281 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.39285933333333334 0.333315 0.481957 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0