condition mean min max Sterile Leaflet 0.3789406666666667 0.110902 0.553637 Fertile Leaflet with Sori 0.7088423333333334 0.361073 0.888658 Primary Rachis 1.004096 0.857686 1.17341 Secondary Rachis 1.0545626666666668 0.900194 1.28884 Petiole 1.235314 0.778672 1.89342 Crozier 8.36349 4.55757 10.4929 Root 3.7140299999999997 2.54291 5.265