condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 22.9854 0.0 68.9562 Primary Rachis 0.20055699999999999 0.0 0.601671 Secondary Rachis 7.122933333333333 0.0 21.3688 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0