condition mean min max Sterile Leaflet 0.0166654 0.0 0.0499962 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 0.0 0.0 0.0 Root 2.3252898666666666 0.0699626 6.77165