condition mean min max Sterile Leaflet 4.812493333333333 1.26234 7.91146 Fertile Leaflet with Sori 8.19709 4.11445 11.7316 Primary Rachis 0.280681 0.0 0.650178 Secondary Rachis 17.459933333333332 15.0695 19.9724 Petiole 0.993428 0.724284 1.1581 Crozier 0.0 0.0 0.0 Root 0.167578 0.0 0.502734