condition mean min max Sterile Leaflet 18.792533333333335 13.4792 22.6794 Fertile Leaflet with Sori 19.8804 16.5441 23.2776 Primary Rachis 13.1571 12.1815 14.5889 Petiole 13.2622 10.4817 18.2322 Crozier 7.45353 6.82897 8.62156 Rhizome 5.279653333333333 3.79571 6.51202 Root 5.15503 2.72903 6.53012