condition mean min max Sterile Leaflet 10.44194 0.0 28.187 Fertile Leaflet with Sori 1.988612 0.0 5.43196 Primary Rachis 2.8961566666666663 0.0 8.0415 Petiole 0.262543 0.0 0.536084 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0