condition mean min max Sterile Leaflet 1.9840799999999998 0.0 5.95224 Fertile Leaflet with Sori 0.0643886 0.0 0.168045 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.008127133333333333 0.0 0.0243814 Root 0.0 0.0 0.0