condition mean min max Sterile Leaflet 3.9122333333333335 0.0 10.6803 Fertile Leaflet with Sori 0.5268066666666666 0.0 1.58042 Primary Rachis 1.49894 0.0 4.49682 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