condition mean min max Sterile Leaflet 0.436446 0.0 0.773475 Fertile Leaflet with Sori 0.749784 0.584681 0.920986 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11749076666666666 0.0783835 0.18632 Petiole 0.03521666666666667 0.0 0.10565 Crozier 0.0 0.0 0.0 Root 17.09447 3.27935 44.3288