condition mean min max Sterile Leaflet 2.61958 1.54646 4.24897 Fertile Leaflet with Sori 1.1230163333333334 0.482289 1.50458 Primary Rachis 0.08517599999999999 0.0 0.255528 Secondary Rachis 0.5157566666666666 0.0 1.54727 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0