condition mean min max Sterile Leaflet 0.29976366666666665 0.0 0.899291 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.058898 0.0 0.176694 Petiole 0.0 0.0 0.0 Crozier 12.81353 4.88069 18.2614 Root 0.22906566666666664 0.0 0.687197