condition mean min max Sterile Leaflet 0.980888 0.587178 1.51482 Fertile Leaflet with Sori 1.0178786666666666 0.553736 1.37778 Primary Rachis 3.071876666666667 2.48972 3.67369 Secondary Rachis 3.08222 2.24489 4.11113 Petiole 3.97748 2.88424 5.59521 Crozier 1.9283489999999999 0.945037 3.27716 Root 0.852502 0.316582 1.57969