condition mean min max Sterile Leaflet 3.52548 1.96623 5.07585 Fertile Leaflet with Sori 2.94115 2.29905 3.26824 Primary Rachis 3.213346666666667 2.60334 4.00764 Secondary Rachis 3.26039 3.02101 3.53923 Petiole 3.5498499999999997 2.52095 5.12231 Crozier 6.27394 5.68529 6.76214 Root 3.183946666666667 2.56855 3.98185