condition mean min max Sterile Leaflet 0.14664286666666665 0.0270262 0.38093 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 2.709373333333333 1.53524 4.83648 Root 0.0 0.0 0.0