condition mean min max Sterile Leaflet 85.4541 68.6765 106.853 Fertile Leaflet with Sori 71.2594 60.1462 89.4161 Primary Rachis 64.3048 55.6662 73.188 Petiole 59.2481 52.0762 63.2859 Crozier 50.0207 44.6749 56.1233 Rhizome 51.4942 35.3656 63.4427 Root 46.5756 38.7301 52.1971