condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.799549 0.438381 13.3849 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