condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 15.134932666666666 0.854498 30.6597 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.084878 0.718534 1.31994 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 1.696838 0.303324 2.66353