condition mean min max Sterile Leaflet 4.97131 4.36967 5.80868 Fertile Leaflet with Sori 6.4934400000000005 4.94554 8.2819 Primary Rachis 4.1320966666666665 3.67167 4.93404 Secondary Rachis 3.96881 3.3779 4.38832 Petiole 5.602096666666666 5.13402 6.4622 Crozier 3.73243 2.83182 4.54079 Root 3.70442 3.06455 4.14115