condition mean min max Sterile Leaflet 1.347223 0.238663 3.08595 Fertile Leaflet with Sori 1.87454 1.45736 2.27901 Primary Rachis 10.77557 3.95704 20.4223 Petiole 7.949163333333333 3.39555 16.7381 Crozier 1.701227 0.867011 2.12435 Rhizome 1.18112 0.69611 1.59898 Root 4.56159 3.87673 5.60021