condition mean min max Sterile Leaflet 0.39811599999999997 0.0 0.850872 Fertile Leaflet with Sori 3.8861766666666666 1.54586 5.88923 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0