condition mean min max Sterile Leaflet 2.31017 1.40436 3.00465 Fertile Leaflet with Sori 1.46589 1.12946 2.10871 Primary Rachis 4.3134733333333335 3.37662 5.36575 Secondary Rachis 4.062246666666667 3.53191 4.46136 Petiole 4.19324 2.90435 5.08856 Crozier 4.53514 3.83119 5.27349 Root 6.08648 4.74106 7.44499