condition mean min max Sterile Leaflet 0.061726 0.0 0.185178 Fertile Leaflet with Sori 2.896925 0.691585 4.92354 Primary Rachis 0.126868 0.0 0.380604 Secondary Rachis 0.6739149999999999 0.0 1.52683 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0