condition mean min max Sterile Leaflet 15.196629999999999 7.72359 20.1479 Fertile Leaflet with Sori 16.9433 15.0876 19.7017 Primary Rachis 14.611266666666667 12.9867 17.2562 Secondary Rachis 14.0256 13.2576 15.1778 Petiole 15.137566666666666 12.3757 17.791 Crozier 11.17293 8.07739 14.1273 Root 5.52503 4.24647 6.45305