condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.086828 0.0 0.260484 Petiole 0.0 0.0 0.0 Root 3.1857866666666665 0.0 9.55736