condition mean min max Sterile Leaflet 0.417641 0.0 0.873907 Fertile Leaflet with Sori 3.2478396666666667 0.530049 7.73454 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.64068 0.0 1.92204 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.9662280000000001 0.915703 1.01194