condition mean min max Sterile Leaflet 1.493234 0.0 3.877 Fertile Leaflet with Sori 2.36791 1.08332 3.42325 Primary Rachis 1.3777486666666667 0.362257 3.4041 Petiole 0.9498979999999999 0.0 2.09346 Crozier 2.5987233333333335 1.1382 3.97928 Rhizome 2.6663099999999997 1.25989 3.51117 Root 1.016813 0.431249 1.54103