condition mean min max Sterile Leaflet 0.0325448 0.0184653 0.0593504 Fertile Leaflet with Sori 4.002845 0.998365 6.27388 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09285783333333333 0.0204645 0.134206 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0074659 0.0 0.0223977