condition mean min max Sterile Leaflet 4.915146666666667 3.78325 6.41155 Fertile Leaflet with Sori 6.087926666666667 4.44232 8.28015 Primary Rachis 4.00791 2.32182 5.36999 Petiole 4.86541 3.24084 7.24857 Crozier 5.474620000000001 3.21312 8.22234 Rhizome 3.93148 1.18738 6.2731 Root 5.03486 1.99521 7.00229