condition mean min max Sterile Leaflet 0.0188651 0.0 0.0565953 Fertile Leaflet with Sori 0.0300155 0.0 0.0590265 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 3.3405026666666666 0.287828 6.59777