condition mean min max Sterile Leaflet 4.15331 3.19451 5.95396 Fertile Leaflet with Sori 3.694636666666667 3.49236 3.95298 Primary Rachis 3.8703366666666668 2.49168 5.98132 Secondary Rachis 3.93593 2.56885 5.20256 Petiole 4.44955 3.33649 6.62919 Crozier 4.23231 2.43751 5.64346 Root 2.6939800000000003 2.22285 3.55161