condition mean min max Sterile Leaflet 0.7821303333333334 0.0 1.5042 Fertile Leaflet with Sori 5.92607 2.32857 9.30688 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10302933333333332 0.0 0.309088 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0