condition mean min max Sterile Leaflet 3.93043 3.62579 4.40762 Fertile Leaflet with Sori 4.11227 3.02805 5.25324 Primary Rachis 3.85551 3.02727 4.2953 Secondary Rachis 4.176346666666666 3.58664 4.78649 Petiole 4.081613333333333 2.30049 5.12411 Crozier 3.5216800000000004 2.38336 4.50032 Root 3.67953 2.26264 4.43915