condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.779104 0.0 4.99423 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.49484 0.0 1.48452 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.09858166666666666 0.0 0.295745