condition mean min max Sterile Leaflet 315.31533333333334 260.575 357.23 Fertile Leaflet with Sori 271.402 239.614 329.815 Primary Rachis 326.56733333333335 231.76 410.373 Secondary Rachis 293.173 229.129 390.925 Petiole 398.292 279.124 557.621 Crozier 495.88300000000004 364.278 633.811 Root 242.65 214.316 287.206