condition mean min max Sterile Leaflet 39.5447 22.8317 48.0926 Fertile Leaflet with Sori 27.130433333333333 22.3168 31.1372 Primary Rachis 16.63464666666667 9.47294 21.6933 Secondary Rachis 17.1623 10.7454 24.0846 Petiole 19.9934 16.6849 22.8537 Crozier 8.27107 4.13491 10.5212 Root 15.2239 12.1633 17.2498