condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 8.967606666666667 4.44282 15.0227 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