condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.05574233333333333 0.0 0.167227 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.5026453333333334 0.0 1.35985 Root 2.243058 0.470434 5.03598