condition mean min max Sterile Leaflet 0.10165099999999999 0.0 0.203619 Fertile Leaflet with Sori 5.992043333333333 3.17577 10.9689 Primary Rachis 0.029504766666666668 0.0 0.0885143 Secondary Rachis 1.3118329999999998 0.481909 2.41056 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0