condition mean min max Sterile Leaflet 0.187163 0.155809 0.214972 Fertile Leaflet with Sori 1.025612 0.655979 1.44688 Primary Rachis 0.024474866666666664 0.0 0.0523962 Secondary Rachis 1.7941280000000002 0.369784 3.90472 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0