condition mean min max Sterile Leaflet 2.3626153333333333 0.0 6.526 Fertile Leaflet with Sori 0.8694783333333334 0.0 1.89296 Primary Rachis 0.8087519999999999 0.168349 1.98687 Petiole 0.3211503333333333 0.0 0.636934 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0