condition mean min max Sterile Leaflet 3.9745266666666668 0.0 9.90863 Fertile Leaflet with Sori 0.681911 0.286364 1.22923 Primary Rachis 0.0 0.0 0.0 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