condition mean min max Sterile Leaflet 0.235547 0.0 0.373589 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 2.03941 0.0 4.17116 Petiole 0.8027233333333333 0.0 2.40817 Root 8.476206666666668 0.0 16.1625