condition mean min max Sterile Leaflet 0.16592566666666667 0.0 0.327627 Fertile Leaflet with Sori 2.37854 1.00471 4.77025 Primary Rachis 0.0323608 0.0 0.0970824 Secondary Rachis 0.09741999999999999 0.0 0.151688 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0