condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.9802533333333333 0.0 2.94076 Primary Rachis 0.3597113333333333 0.0 0.777726 Secondary Rachis 0.35520833333333335 0.248845 0.419617 Petiole 0.124332 0.0 0.372996 Crozier 0.0 0.0 0.0 Root 2.6578109999999997 0.759383 5.81244