condition mean min max Sterile Leaflet 2.435419 0.0 6.70635 Fertile Leaflet with Sori 1.7748053333333331 0.290245 4.1633 Primary Rachis 1.1065136666666666 0.0 3.03002 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