condition mean min max Sterile Leaflet 9.308083333333332 2.70085 15.1698 Fertile Leaflet with Sori 14.929503333333333 6.53931 19.3178 Primary Rachis 0.6172799999999999 0.0 1.85184 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0