condition mean min max Sterile Leaflet 0.26935433333333336 0.0 0.559153 Fertile Leaflet with Sori 8.74728 2.24678 18.3027 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07990866666666667 0.0 0.239726 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0