condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.041436666666667 1.05089 5.0607 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.099897 0.0 0.299691 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0