condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.9716686666666667 0.206507 2.1659 Secondary Rachis 0.442292 0.0 0.941997 Petiole 3.1524669999999997 0.745091 5.77246 Rhizome 0.9392389999999999 0.259609 2.07212 Root 0.7517039999999999 0.375144 1.03344