condition mean min max Sterile Leaflet 1.360628 0.594574 2.46968 Fertile Leaflet with Sori 1.226537 0.848388 1.84025 Primary Rachis 1.249706 0.789824 2.16313 Petiole 1.75847 1.72258 1.81439 Crozier 2.083266666666667 1.72878 2.32889 Rhizome 3.9322033333333333 2.87278 5.52564 Root 3.51791 3.22108 4.08549