condition mean min max Sterile Leaflet 0.0098451 0.0 0.0295353 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 2.7868003333333333 0.359207 7.59977 Root 0.09319066666666666 0.0 0.279572