condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.832969 0.730557 15.5999 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.026688966666666664 0.0 0.0800669 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0