condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.917666666666666 0.0 14.753 Primary Rachis 0.065709 0.0 0.197127 Secondary Rachis 2.6806466666666666 0.0 8.04194 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0