condition mean min max Sterile Leaflet 0.037466 0.0 0.112398 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.7160233333333332 1.8767 7.1213