condition mean min max Sterile Leaflet 2.34382 1.72287 3.08212 Fertile Leaflet with Sori 2.18903 2.02188 2.38282 Primary Rachis 3.31947 2.85895 3.92571 Secondary Rachis 3.20876 2.60377 4.37305 Petiole 2.9966 2.72012 3.26523 Crozier 3.1363233333333334 1.44428 4.09482 Root 4.0523299999999995 3.12457 5.39691