condition mean min max Sterile Leaflet 9.197103333333333 2.4373 16.4911 Fertile Leaflet with Sori 9.19175 3.89865 13.246 Petiole 18.16929 2.21927 40.6314 Crozier 8.78532 4.36766 13.387 Rhizome 12.39552 4.4503 27.0154 Root 8.751986666666667 2.47646 13.5448