condition mean min max Sterile Leaflet 2.65183 2.17048 2.94148 Fertile Leaflet with Sori 2.7868333333333335 2.60611 3.10538 Petiole 1.0723993333333333 0.42681 1.86226 Crozier 2.085321 0.745893 3.05058 Rhizome 1.962113 0.901529 3.55883 Root 2.670062 0.133866 4.57767