condition mean min max Sterile Leaflet 1.202121 0.743323 1.79807 Fertile Leaflet with Sori 0.6967933333333334 0.367127 1.06858 Primary Rachis 1.1601273333333333 0.941092 1.32897 Secondary Rachis 0.97272 0.711682 1.34038 Petiole 1.116633 0.790319 1.59957 Crozier 4.6213999999999995 3.06012 6.10267 Root 0.7999433333333333 0.648627 0.989211