condition mean min max Sterile Leaflet 23.281566666666667 13.8836 29.4701 Fertile Leaflet with Sori 21.6762 18.9237 24.0271 Primary Rachis 21.122999999999998 18.2416 25.2962 Secondary Rachis 19.3488 18.576 20.4992 Petiole 22.966566666666665 14.0985 32.0064 Crozier 25.8141 14.2472 33.5071 Root 23.9006 20.2538 26.5935