condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 16.2575 0.0 48.7725 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 0.0 0.0 0.0