condition mean min max Sterile Leaflet 2.866833333333333 1.03468 4.78374 Fertile Leaflet with Sori 2.36227 2.17907 2.70296 Primary Rachis 3.8792933333333335 2.43351 6.4157 Secondary Rachis 2.8215399999999997 2.13101 3.36387 Petiole 4.700963333333333 4.2077 5.53104 Crozier 6.96389 6.09404 8.09577 Root 2.13484 1.17194 2.70387