condition mean min max Sterile Leaflet 4.52887 2.55999 5.59577 Fertile Leaflet with Sori 4.9739933333333335 3.96001 6.14533 Primary Rachis 3.8605733333333334 3.11626 4.45797 Petiole 5.502166666666667 4.47256 7.24338 Crozier 5.29729 3.10126 6.96481 Rhizome 4.79833 3.24814 7.32551 Root 1.290458 0.964614 1.86614