condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.8209779999999998 0.0 7.57952 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