condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 10.825953333333334 6.53727 18.1762 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11248833333333334 0.0 0.337465 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.056219 0.0 0.168657