condition mean min max Sterile Leaflet 2.05015 0.0 5.05188 Fertile Leaflet with Sori 0.0595 0.0 0.1785 Primary Rachis 6.86465 1.9688 16.527 Petiole 0.110029 0.0 0.330087 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0