condition mean min max Sterile Leaflet 0.126836 0.0 0.201643 Fertile Leaflet with Sori 2.5136600000000002 0.0 4.51613 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0