condition mean min max Sterile Leaflet 7.259673333333334 4.52451 9.17661 Fertile Leaflet with Sori 10.54381 8.67151 14.0581 Primary Rachis 25.0945 19.6423 31.6473 Secondary Rachis 21.6295 17.4797 27.3703 Petiole 39.757 30.1263 49.2924 Crozier 29.228933333333334 22.5826 37.0662 Root 9.192153333333334 5.16388 13.4188