condition mean min max Sterile Leaflet 6.969893333333333 4.74925 9.38471 Fertile Leaflet with Sori 7.41273 5.46244 8.59438 Petiole 5.90662 4.41542 8.57404 Crozier 13.81052 9.84346 18.3999 Rhizome 4.903533333333334 2.55889 7.43172 Root 6.5838600000000005 5.2404 7.43414