condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.7895933333333334 1.98687 4.29589 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0123936 0.0 0.0371808 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0