condition mean min max Sterile Leaflet 0.676034 0.244358 1.25516 Fertile Leaflet with Sori 11.416423333333334 2.25626 27.3095 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11896133333333332 0.0 0.356884 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0