condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 18.56881333333333 1.2598 51.0072 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