condition mean min max Sterile Leaflet 15.848433333333332 13.7317 18.423 Fertile Leaflet with Sori 18.7667 14.2736 21.3867 Primary Rachis 23.2197 19.2561 27.9559 Secondary Rachis 21.734 18.616 23.9709 Petiole 25.4932 21.0017 30.733 Crozier 41.4152 31.6177 51.9634 Root 15.6198 12.621 20.4507