condition mean min max Sterile Leaflet 2.7821599999999997 2.15611 3.34792 Fertile Leaflet with Sori 3.1508866666666666 2.54839 3.76359 Primary Rachis 3.73956 2.57742 5.75785 Secondary Rachis 3.28736 2.88922 3.7806 Petiole 4.873013333333334 4.32442 5.95191 Crozier 5.3626933333333335 4.57825 6.3351 Root 8.87862 6.88646 10.1125