condition mean min max Sterile Leaflet 6.147943333333333 4.7945 7.6472 Fertile Leaflet with Sori 5.19011 4.14593 6.10351 Primary Rachis 4.02074 3.40133 4.39658 Secondary Rachis 5.935043333333334 4.32092 6.83259 Petiole 4.37669 2.71616 6.04973 Crozier 5.361133333333333 4.4393 5.92229 Root 2.81497 1.21286 4.55196