condition mean min max Sterile Leaflet 1.11735 0.0 3.35205 Fertile Leaflet with Sori 0.0 0.0 0.0 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 2.2120666666666664 0.0 6.6362