condition mean min max Sterile Leaflet 0.06721433333333333 0.0 0.201643 Fertile Leaflet with Sori 0.131763 0.0 0.395289 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 9.824493333333333 7.87248 10.9145 Root 0.0 0.0 0.0