condition mean min max Sterile Leaflet 2.3671666666666664 0.0 7.1015 Fertile Leaflet with Sori 0.71705 0.0 2.15115 Primary Rachis 0.3495333333333333 0.0 1.0486 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