condition mean min max Sterile Leaflet 279.3036666666667 153.978 491.046 Fertile Leaflet with Sori 261.162 248.142 276.147 Primary Rachis 408.952 384.643 427.888 Petiole 346.665 316.529 382.231 Crozier 843.655 754.547 897.125 Rhizome 249.621 64.465 495.332 Root 145.64103333333333 65.7912 271.516